Question

value of the following
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Answer 1

Answer:

1

Step-by-step explanation:

(1+cot^2 2A) sin^2 2A

As we know the identity cosec^A - cot^A = 1

So,

= (cosec^2 2A) sin^2 2A

And sinA = 1 / cosecA

Then,

= (cosec^2 2A) 1 / cosec^2 2A

= 1