33. Prove: (1 + cos 2x)/(sin 2x) = cot x

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Prove that :- (1 - cos2x + sinx)/(sin2x + cosx) = tanx

`(sin 2x)/(1+cos 2x) = tan x`

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prove `sin^2 x = (1-cos2x)/2`

cos2x/(1 + sin2x) = tan(pi/4 - x) Double and Half Angle Identity

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lf `int ( sin 2x- cos 2 x) dx=1/(sqrt(2))sin (2x-a) + C`, then a=

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Prove that :- cos2x = cos²x - sin²x = 2cos²x - 1 = 1 - 2sin²x

Proof: sin^2 + cos^2 = 1

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