Question

(1+tan^2 A)(1-sin^2 A)​

Answer 1

Answer:

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Correct option is

A

1

(1−sin2θ)(1+tan2θ)=cos2θ×sec2θ=cos2θ×cos2θ1=1.

Answer 2

Step-by-step explanation:

1+ tan^2 = sec^2

1-sin^2=cos^2

sec^2 = 1 / cos^2