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(sec psi-tan psi)^2 (1+sin psi)^2 div si...

`(sec psi-tan psi)^2 (1+sin psi)^2 div sin^2 psi` =?

A

`cos^(2)phi`

B

`sec phi`

C

`cos phi`

D

`cot^(2)phi`

Text Solution

Verified by Experts

The correct Answer is:
D
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