The maximum value of y=a cos x + b sin x...

The maximum value of `y=a cos x + b sin x ` is

A

ab

B

`(1)/(sqrt(a^(2)+b^(2)))`

C

`a^(2)+b^(2)`

D

`sqrt(a^(2)+b^(2))`

Text Solution

Verified by Experts

The correct Answer is:

D

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