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The minimum value of f(x)= a sin x+b cos...

The minimum value of `f(x)= a sin x+b cos x` is

A

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

B

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

C

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

D

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

Text Solution

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The correct Answer is:
A
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