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Trigonometry, Pythagoras' Theorem, Sine Rule, Cosine Rule
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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
- 596 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
- 1965 Views
- Last post by DeusAbscondus
Sat Jul 14, 2012 9:47 pm
- A problem involving with sin rule
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- Pythagorean Theorem Examples
by Guest » Mon Feb 27, 2012 3:52 am - 0 Replies
- 870 Views
- Last post by Guest
Mon Feb 27, 2012 3:52 am
- Pythagorean Theorem Examples
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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 - 0 Replies
- 895 Views
- Last post by Guest
Tue Dec 27, 2011 6:42 am
- A boy works 10km westward and then 30 degree north of west
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- Really hard problem with cos rule
by kate » Fri Jul 04, 2008 2:09 pm - 0 Replies
- 1665 Views
- Last post by kate
Fri Jul 04, 2008 2:09 pm
- Really hard problem with cos rule
6 topics • Page 1 of 1
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