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Trigonometry - sin, cos, tan, cot, arcsin, arccos, arctan, arccot
112 topics • Page 2 of 3 • 1, 2, 3
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- A new trigonometric formula for any acute angle
by Amro Shalaan » Fri Aug 23, 2019 6:15 pm - 0 Replies
- 2426 Views
- Last post by Amro Shalaan
Fri Aug 23, 2019 6:15 pm
- A new trigonometric formula for any acute angle
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- The Excel Circle Challenge
by Stanley Gould » Mon May 20, 2019 2:24 pm - 1 Replies
- 2221 Views
- Last post by Stanley Gould
Tue May 21, 2019 1:16 pm
- The Excel Circle Challenge
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- Trigonometry
by Guest » Sat Mar 02, 2019 9:02 pm - 2 Replies
- 2360 Views
- Last post by Baltuilhe
Wed Apr 17, 2019 9:15 pm
- Trigonometry
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- Please Solve this tricky Trignometric equation
by parmar.abhishek » Sun Sep 19, 2010 5:40 am - 9 Replies
- 9222 Views
- Last post by HallsofIvy
Tue Mar 26, 2019 7:39 am
- Please Solve this tricky Trignometric equation
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- Facts off triangles when base=1
by Guest » Tue Jan 01, 2019 2:12 pm - 1 Replies
- 2163 Views
- Last post by HallsofIvy
Tue Mar 12, 2019 8:30 am
- Facts off triangles when base=1
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- octagon?
by Guest » Sat Jan 26, 2019 7:46 pm - 1 Replies
- 2321 Views
- Last post by HallsofIvy
Tue Mar 12, 2019 8:27 am
- octagon?
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- 4sin^4x + cos^4x=1
by Guest » Sun Oct 07, 2018 12:19 pm - 3 Replies
- 3803 Views
- Last post by Guest
Thu Feb 28, 2019 1:32 am
- 4sin^4x + cos^4x=1
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- Trigonometry Geometry
by Guest » Sun Jan 13, 2019 6:52 pm - 1 Replies
- 2138 Views
- Last post by Baltuilhe
Sun Jan 13, 2019 9:44 pm
- Trigonometry Geometry
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- He sees Kristen at a 65 degree angle of elevation and Greg
by Guest » Sat Dec 29, 2018 9:30 pm
- 1 Replies
- 2849 Views
- Last post by Baltuilhe
Sat Dec 29, 2018 9:55 pm
- He sees Kristen at a 65 degree angle of elevation and Greg
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- Solving for angles and sides
by Guest » Fri Oct 26, 2018 3:56 pm
- 4 Replies
- 3615 Views
- Last post by Baltuilhe
Mon Dec 24, 2018 1:54 pm
- Solving for angles and sides
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- Constructing with only 2 amounts
by Masheroni » Sun Dec 23, 2018 9:35 pm - 1 Replies
- 2134 Views
- Last post by Baltuilhe
Mon Dec 24, 2018 9:46 am
- Constructing with only 2 amounts
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- (sinx+tgx) * (cosx+ctgx) = (1+sinx) * (1+cosx)
by Guest » Tue Oct 16, 2018 8:25 pm - 1 Replies
- 2395 Views
- Last post by nathi123
Wed Oct 17, 2018 1:55 pm
- (sinx+tgx) * (cosx+ctgx) = (1+sinx) * (1+cosx)
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- Half Angle Formula
by Guest » Fri Sep 28, 2018 12:50 am
- 2 Replies
- 2135 Views
- Last post by Guest
Fri Sep 28, 2018 10:53 pm
- Half Angle Formula
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- Trig identities
by ken_165 » Wed Aug 22, 2018 4:59 am - 1 Replies
- 2010 Views
- Last post by nathi123
Wed Aug 22, 2018 6:47 am
- Trig identities
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- General solution of equation
by epkgupta » Sun Aug 05, 2018 7:52 am
- 0 Replies
- 1862 Views
- Last post by epkgupta
Sun Aug 05, 2018 7:52 am
- General solution of equation
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- Trigonometric identities
by ken_165 » Sun Jun 17, 2018 7:58 pm - 1 Replies
- 2383 Views
- Last post by Math Tutor
Mon Jun 18, 2018 2:08 am
- Trigonometric identities
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- Obtaining theta for all trigonometric function sine and cos
by Guest » Mon Feb 26, 2018 6:54 pm - 0 Replies
- 2393 Views
- Last post by Guest
Mon Feb 26, 2018 6:54 pm
- Obtaining theta for all trigonometric function sine and cos
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- Bus turning radius
by Guest » Wed Dec 06, 2017 4:36 am - 0 Replies
- 2656 Views
- Last post by Guest
Wed Dec 06, 2017 4:36 am
- Bus turning radius
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- Trigonometry
by Guest » Sun Feb 26, 2017 1:15 am - 0 Replies
- 2615 Views
- Last post by Guest
Sun Feb 26, 2017 1:15 am
- Trigonometry
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- Trigonometry
by Guest » Fri May 10, 2013 5:25 pm - 4 Replies
- 3857 Views
- Last post by Guest
Thu Nov 24, 2016 2:47 pm
- Trigonometry
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- Trigonometry Identities Proving
by Guest » Sat Oct 15, 2016 2:37 pm - 1 Replies
- 2807 Views
- Last post by Guest
Wed Oct 19, 2016 3:15 am
- Trigonometry Identities Proving
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- Calculate [tex]cot 270°[/tex]
by KarimTef » Tue Jul 26, 2016 6:40 am - 2 Replies
- 2978 Views
- Last post by KarimTef
Mon Aug 01, 2016 2:38 pm
- Calculate [tex]cot 270°[/tex]
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- Calculate sin 15 + sin 75 = ?
by Math Tutor » Sun May 09, 2010 3:51 am - 4 Replies
- 86588 Views
- Last post by Vicenta
Mon Jul 25, 2016 8:31 am
- Calculate sin 15 + sin 75 = ?
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- Question about Articles in S. L. Looney book "Plane Trig
by KarimTef » Wed Jul 20, 2016 6:05 pm - 2 Replies
- 1677 Views
- Last post by KarimTef
Fri Jul 22, 2016 6:13 am
- Question about Articles in S. L. Looney book "Plane Trig
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- Find out an angle
by burgess » Wed Jul 23, 2014 7:02 am - 6 Replies
- 6772 Views
- Last post by Guest
Tue May 31, 2016 7:23 pm
- Find out an angle
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- sin,cos,tan
by babyj » Wed Nov 28, 2007 6:17 pm - 6 Replies
- 5514 Views
- Last post by Guest
Sat Apr 16, 2016 2:57 pm
- sin,cos,tan
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- Need help with a problem
by Guest » Sun Feb 07, 2016 11:16 am - 5 Replies
- 1646 Views
- Last post by Guest
Wed Mar 30, 2016 6:53 pm
- Need help with a problem
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- Solar Declination Part 2
by Guest » Thu Jan 07, 2016 7:51 pm - 1 Replies
- 2109 Views
- Last post by Guest
Sat Jan 09, 2016 12:43 pm
- Solar Declination Part 2
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- (1-sinA+cosA)/(sinA+cosA-1)=(1+cosA)/sinA
by Guest » Tue Dec 22, 2015 4:13 am - 2 Replies
- 2731 Views
- Last post by Guest
Tue Dec 22, 2015 3:40 pm
- (1-sinA+cosA)/(sinA+cosA-1)=(1+cosA)/sinA
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- Calculate the trigonometric sum
by Guest » Sat Dec 19, 2015 11:19 am - 2 Replies
- 2043 Views
- Last post by Guest
Tue Dec 22, 2015 4:13 am
- Calculate the trigonometric sum
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- Trigonometry word problem help!
by Guest » Wed Jun 24, 2015 7:40 pm - 1 Replies
- 2360 Views
- Last post by Guest
Sat Jun 27, 2015 6:24 am
- Trigonometry word problem help!
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- When should I set + , - or ±
by charin79 » Mon Mar 10, 2008 12:41 am - 4 Replies
- 3450 Views
- Last post by Guest
Sat Jan 03, 2015 6:14 am
- When should I set + , - or ±
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- Arc length
by Guest » Sun Jun 08, 2014 11:57 am - 1 Replies
- 1755 Views
- Last post by Guest
Mon Jun 09, 2014 6:29 am
- Arc length
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- Find angles in triangle if given one side and bearings
by Guest » Tue Apr 22, 2014 11:41 pm - 2 Replies
- 2580 Views
- Last post by jackwilson
Fri May 30, 2014 2:26 am
- Find angles in triangle if given one side and bearings
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- Greatest value of sin*sin*sin
by MM » Fri Mar 06, 2009 1:05 pm - 4 Replies
- 3771 Views
- Last post by Math Tutor
Wed Nov 13, 2013 2:21 pm
- Greatest value of sin*sin*sin
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- Verify identity - need to help a student work through this
by Guest » Tue Nov 05, 2013 10:41 pm - 2 Replies
- 1524 Views
- Last post by Guest
Fri Nov 08, 2013 5:28 am
- Verify identity - need to help a student work through this
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- Numerical value of one trigonometric function
by Guest » Sun Oct 27, 2013 12:35 pm - 2 Replies
- 2612 Views
- Last post by Math Tutor
Sun Oct 27, 2013 2:20 pm
- Numerical value of one trigonometric function
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- cos(A-B)=cosAcosB + sinAsinB
by Guest » Sat Dec 31, 2011 5:13 am - 1 Replies
- 13355 Views
- Last post by adamsmith
Thu Sep 05, 2013 6:18 am
- cos(A-B)=cosAcosB + sinAsinB
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- Determine Reference point for Pentagram
by stockgoblin » Tue Jun 18, 2013 11:27 am - 0 Replies
- 1353 Views
- Last post by stockgoblin
Tue Jun 18, 2013 11:27 am
- Determine Reference point for Pentagram
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- Trigonometric Identity
by Guest » Thu Mar 14, 2013 4:42 pm - 1 Replies
- 1535 Views
- Last post by Guest
Fri Mar 15, 2013 6:26 am
- Trigonometric Identity
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- Trigonometric equation: |sinx + cosx| = 1
by Guest » Sat May 19, 2012 6:15 am - 0 Replies
- 1762 Views
- Last post by Guest
Sat May 19, 2012 6:15 am
- Trigonometric equation: |sinx + cosx| = 1
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- The Cosine Curve - cos 20, cos 85
by Guest » Sat Apr 28, 2012 1:05 pm - 2 Replies
- 2705 Views
- Last post by Guest
Wed May 02, 2012 3:06 am
- The Cosine Curve - cos 20, cos 85
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- Trigonometry Word Problem with an Airplane.
by kingkos » Tue Dec 06, 2011 12:04 pm - 0 Replies
- 3488 Views
- Last post by kingkos
Tue Dec 06, 2011 12:04 pm
- Trigonometry Word Problem with an Airplane.
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- Trigonometry Word Problem
by kingkos » Tue Dec 06, 2011 12:02 pm - 0 Replies
- 2390 Views
- Last post by kingkos
Tue Dec 06, 2011 12:02 pm
- Trigonometry Word Problem
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- Trigonometry: calculate sin^4 \alpha - cos^4 \alpha = 0
by kate » Fri Jul 04, 2008 11:59 am - 1 Replies
- 3690 Views
- Last post by Guest
Wed Sep 28, 2011 8:34 am
- Trigonometry: calculate sin^4 \alpha - cos^4 \alpha = 0
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- Help i need to know what cos6x equals
by gravy3000 » Mon Dec 15, 2008 5:55 pm - 5 Replies
- 7577 Views
- Last post by Guest
Wed Sep 28, 2011 3:53 am
- Help i need to know what cos6x equals
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- How sec and cosec are defined?
by sec cosec » Wed Jan 12, 2011 10:28 am - 3 Replies
- 2500 Views
- Last post by Guest
Tue Sep 13, 2011 9:17 am
- How sec and cosec are defined?
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- Find value of a. if tan 5a^2.cot(90+3a^2)
by Guest » Sun Aug 28, 2011 12:15 am - 0 Replies
- 1360 Views
- Last post by Guest
Sun Aug 28, 2011 12:15 am
- Find value of a. if tan 5a^2.cot(90+3a^2)
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- Prove that if 4sin e+4cos^2 e-5=0 then sin e = 1/2
by nisarg » Wed Aug 17, 2011 12:10 pm - 1 Replies
- 1818 Views
- Last post by Guest
Thu Aug 18, 2011 1:03 am
- Prove that if 4sin e+4cos^2 e-5=0 then sin e = 1/2
112 topics • Page 2 of 3
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