cos^2A* tan^2A + tan^2A*sin^2A in term of tan A
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Answer:
tan^2A
Step-by-step explanation:
cos^2Atan^2A+tan^2Asin^2A
=cos^2A(sin^2A/cos^2A)+tan^2Asin^2A
=sin^2A+tan^2Asin^2A
=sin^2A(1+tan^2A)
=sin^2Asec^2A
=tan^2A
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