Question

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Please help me out✌✌

Prove the following

Tan^2 theta - Sin^2 theta = tan^2 theta × sin^2 theta..

Answer 1

If you are familiar with trig. identiy, you can prove from the left to the right in a much simpler way:

tan^2x-sin^2x

= tan^2x (1 - cos^2x), since tan^2x cos^2x = sin^2x

= tan^2 sin^2x

Hope its help you

Answer 2

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