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The set of values of 'a' for which the e...

The set of values of 'a' for which the equation `"sin" x ("sin"x +"cos" x) = a` has real solutions, is

A

`1-sqrt(2) le a le 1+sqrt(2)`

B

`2-sqrt(3) le a le 2+sqrt(3)`

C

`0 le a le 2+sqrt(3)`

D

`(1-sqrt(2))/(2) le a le (1+sqrt(2))/(2)`

Text Solution

Verified by Experts

The correct Answer is:
D
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  19. The minimum value of (sintheta+c o s e ctheta)^2+(costheta+sectheta)^...

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