Question

proove thatsec²-1÷sec²=sin²​

Answer 1

Step-by-step explanation:

Hope it helps!!

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Answer 2

Answer:

sec^2-1=tan^2(by identity)

sec^2=1/cos^2

now convert tan2 as sin2/cos2

divide sin2/cos2 by cos2

u will get sin2

hence proved