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If Tantheta=(Cosalpha-Sinalpha)/(Cosalph...

If `Tantheta=(Cosalpha-Sinalpha)/(Cosalpha+Sinalpha)andtheta` is acute then `theta + alpha` =

A

`(pi)/(5)`

B

`(pi)/(4)`

C

`(pi)/(3)`

D

`(pi)/(2)`

Text Solution

Verified by Experts

The correct Answer is:
B
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