Recommended Questions
- (cos 2x sin x + cos 6x sin 3x)/(sin 2x sin x + sin 6x sin 3x) =cot 5x
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- Prove that ("sin " 5x -2 "sin " 3x + " sin "x)/(" cos " 5x - " cos ...
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- Prove that ( " cos " 4x + " cos " 3x + " cos " 2x)/(" sin " 4x + ...
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- Prove that sin x + sin 3x + sin 5x + sin 7x=4 sin 4x cos 2x cos x.
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- (" sin 8x cos x- sin 6x cos 3x")/(" cos 2x cos x - sin 4x sin 3x")...
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- (cos 4x sin 3x -cos 2x sin x )/(sin 4x sin x+ cos 6x cos x)= tan 2x
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- (cos 2x sin x + cos 6x sin 3x)/(sin 2x sin x + sin 6x sin 3x) =cot 5x
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- (a) sin 2x + 2 sin 4x + sin 6x = 4 cos^(2) x sin 4x (b) cot 4x (sin...
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- (cos 4x +cos 3x + cos 2x)/(sin 4x + sin 3x +sin 2x) = cot 3x
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