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Trigonometry, Pythagoras' Theorem, Sine Rule, Cosine Rule
13 topics • Page 1 of 1
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- Artistic Sinus and Cosine
by d2010 » Sun Mar 08, 2020 1:08 pm - 1 Replies
- 313 Views
- Last post by d2010
Fri Mar 13, 2020 3:01 am
- Artistic Sinus and Cosine
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- 30-60-90 triangle HELP!
by Guest » Sat Jan 25, 2020 4:21 pm - 1 Replies
- 132 Views
- Last post by HallsofIvy
Sun Jan 26, 2020 8:09 am
- 30-60-90 triangle HELP!
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- Prove $x^2+y^2=1$
by Guest » Sat Jan 25, 2020 2:26 pm - 0 Replies
- 152 Views
- Last post by Guest
Sat Jan 25, 2020 2:26 pm
- Prove $x^2+y^2=1$
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- Trigonometric equations with multiple angles
by ariannadimartino » Thu Oct 31, 2019 10:20 am
- 1 Replies
- 306 Views
- Last post by HallsofIvy
Fri Dec 13, 2019 7:38 pm
- Trigonometric equations with multiple angles
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- Pythagoras in 3D
by Guest » Tue Oct 15, 2019 4:17 pm
- 1 Replies
- 300 Views
- Last post by Baltuilhe
Tue Oct 22, 2019 9:48 pm
- Pythagoras in 3D
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- A boy works 10km westward and then 30 degree north of west
by Guest » Tue Dec 27, 2011 6:42 am - 1 Replies
- 1256 Views
- Last post by Guest
Sun Jun 16, 2019 6:41 am
- A boy works 10km westward and then 30 degree north of west
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- Pythagorean Theorem Examples
by Guest » Mon Feb 27, 2012 3:52 am - 1 Replies
- 1261 Views
- Last post by Guest
Thu Jun 13, 2019 11:40 am
- Pythagorean Theorem Examples
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- help needed
by Guest » Thu Oct 18, 2018 3:30 am
- 1 Replies
- 622 Views
- Last post by HallsofIvy
Wed Mar 13, 2019 8:53 am
- help needed
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- Solving for height in back to back pythagorus triagles
by Guest » Tue Aug 28, 2018 4:52 pm
- 3 Replies
- 621 Views
- Last post by Guest
Thu Aug 30, 2018 11:20 am
- Solving for height in back to back pythagorus triagles
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- Prove the trig identity cos(2x)+sin^2(x)=1/2 sin(2x)cot(x)
by Guest » Mon Apr 17, 2017 7:40 pm - 2 Replies
- 1079 Views
- Last post by Math Tutor
Wed Apr 19, 2017 1:19 am
- Prove the trig identity cos(2x)+sin^2(x)=1/2 sin(2x)cot(x)
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- A problem involving with sin rule
by kate » Fri Jul 04, 2008 2:06 pm - 2 Replies
- 2343 Views
- Last post by DeusAbscondus
Sat Jul 14, 2012 9:47 pm
- A problem involving with sin rule
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- Really hard problem with cos rule
by kate » Fri Jul 04, 2008 2:09 pm - 0 Replies
- 1958 Views
- Last post by kate
Fri Jul 04, 2008 2:09 pm
- Really hard problem with cos rule
13 topics • Page 1 of 1
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