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The minimum and maximum values of expres...

The minimum and maximum values of expression `y=costheta(sintheta+sqrt(sin^2theta+sin^2alpha))`

A

`-sqrt(1+sin^(2)alpha)` and `sqrt(1-sin^(2)alpha)`

B

`-sqrt(1+sin^(2)alpha)` and `sqrt(1+sin^(2)alpha)`

C

`1-sqrt(1+sin^(2)alpha)` and `sqrt(1+sin^(2)alpha)`

D

`-sqrt(1+sin^(2)alpha)` and `sqrt(1+sin^(2)alpha)`

Text Solution

Verified by Experts

The correct Answer is:
B
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