Recent questions tagged trigonometry problems

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(2*cos^2 x-1):[4tg(π/4-x) ∙ sin^2 (π/4 + x) ]=?
asked Nov 20, 2013 in Trigonometry Answers by ariuka Level 1 User (300 points) | 600 views
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If 2tanB+cotB=tanA,prove that 2tan(A-B)=cotB
asked Nov 18, 2013 in Trigonometry Answers by Aarush Level 1 User (160 points) | 8.4k views
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solve equation sin(2x)=sin(x)
asked Nov 17, 2013 in Trigonometry Answers by anonymous | 559 views
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prove that tanh²x - csch²x = 1
asked Nov 17, 2013 in Trigonometry Answers by anonymous | 754 views
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what is pi
asked Nov 14, 2013 in Other Math Topics by anonymous | 544 views
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3 sin x = 1 + cos 2x
asked Nov 14, 2013 in Trigonometry Answers by anonymous | 3.2k views
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sin*sin+cos*cos
asked Nov 12, 2013 in Trigonometry Answers by anonymous | 474 views
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if cot(x)+sec(x)=5, then cos(x)=?
asked Nov 11, 2013 in Trigonometry Answers by Aminul Islam | 1.1k views
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Recent questions tagged trigonometry problems

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