PROVE THAT:
tan^2 θ - sin^2 θ = tan^2 θ.sin^2 θ
Please answer correctly!
Otherwise answer will be reported!!
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Answer:
tan²θ - sin²θ
=sin²θ/cos²θ - sin²θ
=(sin²θ-sin²θcos²θ)/cos²θ
=sin²θ(1-cos²θ)/cos²θ
=sin²θ × sin²θ/cos²θ
=tan²θsin²θ
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