Recent questions tagged proving trigonometric identities

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Cot2x - tan 78 = ( sec x sec 78 )/2
asked Mar 8, 2017 in Trigonometry Answers by Mac2016 Level 1 User (640 points) | 2.3k views
1 answer
cos^2x-sinx=1
asked Nov 30, 2016 in Calculus Answers by Cam | 760 views
2 answers
Sinx=tanxcosx
asked Sep 27, 2016 in Trigonometry Answers by Abdul rehman | 2.1k views
1 answer
Prove the identity
asked Jun 15, 2016 in Trigonometry Answers by Paula | 828 views
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