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If sqrt(sin x)+ cos x = 0 then sin x =...

If `sqrt(sin x)+ cos x = 0` then sin x =

A

`(sqrt(5)+1)/(2)`

B

`(sqrt(5)+1)/(8)`

C

`(sqrt(5)-1)/(8)`

D

`(sqrt(5)-1)/(2)`

Text Solution

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The correct Answer is:
D
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DIPTI PUBLICATION ( AP EAMET)-TRIGONOMETRIC EQUATIONS -EXERCISE 1
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  3. If sqrt(sin x)+ cos x = 0 then sin x =

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  4. If 2sin x + cosec x = 3 then theta =

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  5. If cos^(2)theta - sin theta = 1//4 then theta =

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  6. If 4 cos theta - sec theta = 4 tan theta then theta =

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  7. If 3 cos 2theta + 2 = 7 sin theta then theta =

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  8. {x in IR : cos 2x + 2 cos^(2) x - 2 = 0}=

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  9. If 4sin^(2)x-2 (1+sqrt(3))sin x + sqrt(3)=0 then theta =

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  10. If cosec^(2)theta - 3cosec theta + 2 = 0 then theta =

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  11. If 4cos^(2)x sin x - 2 sin^(2)x=3sinx, then x =

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  12. If r sin theta = sqrt(3), r + 4 sin theta = 2(sqrt(3)+1), 0 le theta l...

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  14. The solution set of (5+4 cos theta) (2 cos theta + 1) =0 in the interv...

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  15. If sin^(2)x - cos x = 1//4 then the values of x in (0, 2pi) are

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  16. If 2cos^(2)theta + cos theta -1 =0 then theta =

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  17. If 2 sin^(2)theta = 3 cos theta, then the value of theta in [0, 2pi] a...

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  18. The general solution of sin^(2)x-2 cos x +(1)/(4)=0 is

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  19. cos 2x=(sqrt(2)+1)(cos x - (1)/(sqrt(2))), cos x ne (1)/(2) rArr x in

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  20. If 2 sin theta + tan theta = 3 sin theta .cos theta then theta =

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