Question

prove that tan2A/1+sec2A=tanA​

Answer 1

Answer:

TanA(1+sec2A)=tan2A prove that:

We know Sec2A=1/Cos2A(As sec is opposite to Cos). In the third line due to a rule Cos2A=Cos^2A-Sin^2A. Then by doing L. C. M. In the next line we divide TanA to SinA/CosA.

Answer 2

Step-by-step explanation:

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