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

If `sin 6theta = sin 4theta - sin 2theta`, then `theta =`

A

`(2n +1)(pi)/(2)`

B

`(n pi)/(4)`

C

`(n+1)(pi)/(3)`

D

`(2n+1)(pi)/(3)`

Text Solution

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The correct Answer is:
B
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DIPTI PUBLICATION ( AP EAMET)-TRIGONOMETRIC EQUATIONS -EXERCISE 1
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  5. If cos theta + cos 2theta + cos 3theta = 0 then theta =

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

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

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

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

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

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

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

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

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  15. If tan theta + tan(60^(@)+theta)+tan (120^(@)+theta)=3, then theta =

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  16. If tan theta + tan 2theta + tan 3theta = 0 then theta =

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  17. If tan theta + tan 2theta = tan 3theta, then theta =

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  18. If tan theta + tan (pi//3+theta)-tan(pi//3-theta)=3 then theta =

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  19. The solution of sin 2 theta + cos 2theta + sin theta + cos theta + 1 =...

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