1.

8 cosec^2a - 8 cot^2a=?

Answer»

Answer:8 cosec^2A - 8cot^2A = 8

Step-by-step explanation:

8/sin^2A - 8cos^2A/sin^2A

(8 - 8 cos^2A)/sin^2A

8(1 - cos^2A)/sin^2A. [1cos^2A=sin^2A]

8 sin^2A/sin^2A

8



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