Recent questions tagged identities

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Solve: cos x = -cos 2x - sin 2x + sin x +1, (for x ∈ [-180, 180]
asked Nov 25, 2021 in Trigonometry Answers by Kellyanne smith Level 1 User (240 points) | 552 views
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tanx cscx cosx =1
asked Mar 15, 2013 in Algebra 2 Answers by anonymous | 895 views
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sin 2x + 3 cos 2x = 0
asked Sep 9, 2012 in Trigonometry Answers by anonymous | 1.1k views
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