Recent questions tagged trig identity

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(cos^4t)=(sin^4t)
asked Mar 16, 2012 in Trigonometry Answers by anonymous | 870 views
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cosθ-cos^3θ/sinθ=sinθcosθ verify trig identity
asked Mar 14, 2012 in Trigonometry Answers by anonymous | 1.1k views
1 answer
2sin^2 x-1=0
asked Feb 13, 2012 in Trigonometry Answers by anonymous | 2.0k views
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what is the phase shift of 2sin(2x-2pi)+1
asked Jan 29, 2012 in Trigonometry Answers by anonymous | 910 views
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how to solve sec^-1=6
asked Jan 27, 2012 in Trigonometry Answers by anonymous | 682 views
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