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Question

Prove the following trigonometric identities.

1sec2 θ-cos2 θ+1cosec2 θ-sin2 θ sin2 θ cos2 θ=1-sin2 θ cos2 θ2+sin2 θ cos2 θ

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Solution

In the given question, we need to prove

Now, using and in L.H.S, we get

Further using the identity, we get

Further using the identity , we get

Now, from the identity, we get

So,

Hence proved.


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