Prove that tan^A - Sin²A = tanA. Sin A.
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Step-by-step explanation:
tan²A-sin²A
=sin²A/cos²A-sin²A
=sin²A-sin²Acos²A/cos²A
=sin²A(1-cos²A)/cos²A
=sin²Asin²A/cos²A
=tan²Asin²A
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