Question

prove that….............​

Answer 1

Answer:

this is the way you should solve

Answer 2

Step-by-step explanation:

tan^2A/(1+tan^2A)+cot^2A/(1+cot^2A)=1.

L.H.S.

=tan^2A/(1+tan^2A)+ cot^2A/(1+cot^2A).

=tan^2A/sec^2A + cot^2A/cosec^2A.

=(sin^2A/ cos^2A)÷(1/cos^2A) + (cos^2A/sin^2A)÷(1/sin^2A).

=sin^2A + cos^2A.

= 1 , proved.....

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