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The minimum values of sin x + cos x is ...

The minimum values of sin x + cos x is a)`sqrt2` b)`-sqrt2` c)`(1)/(sqrt2)` d)`- (1)/(sqrt2)`

A

`sqrt2`

B

`-sqrt2`

C

`(1)/(sqrt2)`

D

`- (1)/(sqrt2)`

Text Solution

Verified by Experts

The correct Answer is:
B
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