Which of the following is the correct id...

Which of the following is the correct identity ?

A

`cos ((pi)/(2) +A) = tan A `

B

`sec ((7pi)/(2) -A) - cosec A`

C

`sin (npi + A) =- sin A `

D

`sin (pi -A) =- sin A `

Text Solution

Verified by Experts

The correct Answer is:

B

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