यदि tan theta = (sin alpha - cos alpha)/...

यदि `tan theta = (sin alpha - cos alpha)/(sin alpha + cos alpha)`, तो `sin alpha + cos alpha` का मान है :

A

`pmsqrt(2) sin theta`

B

`pm sqrt(2) cos theta`

C

`pm (1)/(sqrt(2)) sin theta`

D

`pm (1)/(sqrt(2)) cos theta`

लिखित उत्तर

Verified by Experts

The correct Answer is:

B

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