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In a triangle `ABC, angle A gt angle B`. If the measures of `angle A, angle B` satisfy the equation `3 sin x - 4 sin^(3) x - k = 0, 0 lt k lt 1` then the measure of `angle C` is

A

`pi//3`

B

`pi//2`

C

`2pi//3`

D

`5pi//6`

Text Solution

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The correct Answer is:
C
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AAKASH SERIES-TRIGONOMETRIC EQUATIONS-Exercise-II
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  6. No. of solutions of |cosx|=sinx,0lexle4pi, is

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  11. Match the trigonometric equations from List I to solutions in List II ...

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  12. For 0lexle2pi, Match the equations in List I to no. of solutions in Li...

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  13. Observe the following statements Assertion (A) : The general solutio...

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  15. When a is irrational, the number of solutions satisfying the equation ...

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  16. Assertion (A) : if 2sin^(2)((pi)/(2)cos^(2)x)=1-cos(pisin2x), xne(...

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  18. If sqrt(3)costheta-sintheta is positive and thetain(-pi,pi) then the v...

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