Question

answer this question plz fast

Answer 1

Answer:

A) 8

Explanation:

8cot2A-8cosec2A

Use the identity cot2A+1=Cosec2A I.e Cot2A-Cosec2A=1

Now

take 8 common. 8(Cot2A -Cosec2A)which is 1

I.e

8(1)=8

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Answer 2

Answer:

=8cot²A - 8 cosec²A

= -8 ( cosec²A - cot²A)

= - 8 × 1

= - 8