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All the values of x satisfying sin 2x + ...

All the values of x satisfying `sin 2x + sin 4x = 2 sin 3x` are

A

`n pi//3`

B

`2n pi`

C

`n pi`

D

`n pi + pi//3`

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The correct Answer is:
A
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DIPTI PUBLICATION ( AP EAMET)-TRIGONOMETRIC EQUATIONS -EXERCISE 1
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  2. If cosec x = 1 + cot x, then x =

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  3. All the values of x satisfying sin 2x + sin 4x = 2 sin 3x are

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  4. If 3 cos x ne 2 sin x, then the general solution of sin^(2) x - cos 2x...

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  5. If 2 sin 2x - sin x = 0, then x =

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  6. If sqrt(1-cos x)=sin x then x =

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  7. The values of 'theta' satisfying sin7 theta = sin 4theta - sin theta i...

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  8. If sin 7theta + sin 4theta + sin theta = 0, 0 le theta le pi//2, then ...

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  9. If sin 6theta = sin 4theta - sin 2theta, then theta =

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  10. The values of theta satisfying sin 5theta = sin 3theta-sin theta and 0...

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  11. If cos theta + cos 2theta + cos 3theta = 0 then theta =

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  12. If cos 2theta + cos 8theta = cos 5theta then theta =

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  13. If cos 6theta + cos 4theta + cos 2theta +1 =0 for 0 le theta le pi the...

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  14. If sec x cos 5x + 1 =0, 0 lt x lt 2pi, then x =

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  15. If cos theta cos 2 theta cos 3theta = 1//4 for 0 lt theta lt pi then t...

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  16. If 4 sin x.sin 2x.sin 4x = sin 3x then theta =

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  17. If 4 cos theta.cos(120^(@)+theta).cos(120^(@)-theta)=1//2 then theta =

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  18. The sum of the solutions in (0, 2pi) of the equation cos x cos ((pi)/(...

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  19. If sin theta.sin (60+theta)sin (60-theta)=1//4 then theta =

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  20. If sin 3alpha = 4 sin alpha sin (x + alpha)sin(x-alpha), then x =

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