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If the equation sin x(sin x + cos x)=k h...

If the equation `sin x(sin x + cos x)=k` has real solutions then k may lie in the interval

A

`[0,(sqrt(2)+1)/(2)]`

B

`[2-sqrt(3),2+sqrt(3)]`

C

`[0,2-sqrt(3)]`

D

`[(1-sqrt(2))/(2),(1+sqrt(2))/(2)]`

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A, C, D
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AAKASH SERIES-COMPOUND ANGLES-LECTURE SHEET (EXERCISE - I)
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  15. If the equation sin x(sin x + cos x)=k has real solutions then k may l...

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  17. If cos(alpha - beta) + cos(beta - gamma)+ cos(gamma-alpha)=-3/2, then

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  18. If sin alpha=A sin(alpha + beta), A ne 0, then: The value of tan al...

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