Q -   tan 2 θ - sin 2 θ = tan 2 θ sin 2 θ Q -   tan θ 1 - c o t θ + c o t θ 1 - tan θ = s e c θ cos e c θ + 1

Dear student
Since you have not mentioned question number so doing as per my understanding.
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https://www.meritnation.com/ask-answer/question/prove-that-tan2a-sin2a-tan2a-sin2a/introduction-to-trigonometry/3035918
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