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Trigonometry - sin, cos, tan, cot, arcsin, arccos, arctan, arccot
67 topics • Page 1 of 2 • 1, 2
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- Trigonometry
by Guest » Fri Sep 13, 2019 5:50 am - 0 Replies
- 120 Views
- Last post by Guest
Fri Sep 13, 2019 5:50 am
- Trigonometry
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- Calculate sin (alpha - beta) and cos (alpha + beta)
by Guest » Thu Oct 18, 2018 6:59 pm - 1 Replies
- 457 Views
- Last post by Guest
Wed Aug 28, 2019 7:52 am
- Calculate sin (alpha - beta) and cos (alpha + beta)
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- A new trigonometric formula for any acute angle
by Amro Shalaan » Fri Aug 23, 2019 6:15 pm - 0 Replies
- 276 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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- |sin a|<=a
by Guest » Thu Jun 13, 2019 12:57 pm - 3 Replies
- 267 Views
- Last post by Guest
Fri Jun 14, 2019 1:41 pm
- |sin a|<=a
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- The Excel Circle Challenge
by Stanley Gould » Mon May 20, 2019 2:24 pm - 1 Replies
- 233 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
- 489 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
- 5785 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
- 390 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
- 258 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
- 944 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
- 332 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
- 363 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
- 540 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
- 259 Views
- Last post by Baltuilhe
Mon Dec 24, 2018 9:46 am
- Constructing with only 2 amounts
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- The diameter of a circle.
by Guest » Wed Nov 28, 2018 8:05 pm - 0 Replies
- 235 Views
- Last post by Guest
Wed Nov 28, 2018 8:05 pm
- The diameter of a circle.
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- (sinx+tgx) * (cosx+ctgx) = (1+sinx) * (1+cosx)
by Guest » Tue Oct 16, 2018 8:25 pm - 1 Replies
- 419 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
- 323 Views
- Last post by Guest
Fri Sep 28, 2018 10:53 pm
- Half Angle Formula
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- Trigonometric equation
by Guest » Sun Sep 09, 2018 2:24 pm - 0 Replies
- 363 Views
- Last post by Guest
Sun Sep 09, 2018 2:24 pm
- Trigonometric equation
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- Trig identities
by ken_165 » Wed Aug 22, 2018 4:59 am - 1 Replies
- 283 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
- 276 Views
- Last post by epkgupta
Sun Aug 05, 2018 7:52 am
- General solution of equation
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- Solar Declination
by Davros » Thu Jan 07, 2016 4:29 pm - 2 Replies
- 1512 Views
- Last post by yasir5566
Wed Aug 01, 2018 8:03 am
- Solar Declination
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- Trigonometric identities
by ken_165 » Sun Jun 17, 2018 7:58 pm - 1 Replies
- 533 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
- 712 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
- 838 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
- 951 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
- 1848 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
- 1070 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
- 1131 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
- 77344 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
- 809 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
- 4068 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
- 4105 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
- 872 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
- 863 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
- 1727 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
- 1260 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
- 1313 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
- 2372 Views
- Last post by Guest
Sat Jan 03, 2015 6:14 am
- When should I set + , - or ±
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- Trignometry
by bharath vb » Mon Sep 08, 2014 2:49 am - 0 Replies
- 1269 Views
- Last post by bharath vb
Mon Sep 08, 2014 2:49 am
- Trignometry
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- Arc length
by Guest » Sun Jun 08, 2014 11:57 am - 1 Replies
- 1007 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
- 1836 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
- 3096 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
- 971 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
- 1744 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
- 11881 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
- 829 Views
- Last post by stockgoblin
Tue Jun 18, 2013 11:27 am
- Determine Reference point for Pentagram
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- Trigonometric equation sin^4x+cos^4x=sin2x - 1/2
by Guest » Sun Apr 07, 2013 5:47 am - 0 Replies
- 1800 Views
- Last post by Guest
Sun Apr 07, 2013 5:47 am
- Trigonometric equation sin^4x+cos^4x=sin2x - 1/2
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- Trigonometric Identity
by Guest » Thu Mar 14, 2013 4:42 pm - 1 Replies
- 1015 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
- 1291 Views
- Last post by Guest
Sat May 19, 2012 6:15 am
- Trigonometric equation: |sinx + cosx| = 1
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