(sec phi - tan phi)^(2) (1 + sin phi)^(2...

`(sec phi - tan phi)^(2) (1 + sin phi)^(2) / sin^(2)phi = ?`

A

`cos phi`

B

`cot^(2) phi`

C

`sec phi`

D

`cos^(2)phi`

लिखित उत्तर

Verified by Experts

The correct Answer is:

B

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