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The number of values of x in the interva...

The number of values of x in the interval `[0, 5 pi]` satisfying the equation `3 sin^(2) x - 7 sin x + 2 = 0` is

A

0

B

5

C

6

D

10

Text Solution

Verified by Experts

The correct Answer is:
C
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AAKASH SERIES-TRIGNOMETRIC EQUATIONS-PRACTICE SHEET (EXERCISE -I LEVEL -I STRAIGHT OBJECTIVE TYPE QUESTIONS)
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  2. If 3 cos x ne 2 sin x, then the general solution of sin^(2) x - cos 2x...

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  3. Solve 2sin^(2)x+sin^(2)2x=2

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  4. IF cos theta ne 0, and sec theta-1=(sqrt2-1) tan theta then theta=

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  5. If 4 cot 2 theta=cot^(2)theta-tan^(2)theta then theta=

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  6. The solution of 4 sin^(2) x + tan^(2) x + cosec^(2) x + cot^(2) x - 6 ...

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

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  8. Which of the following is true for z=(3+2i sin theta)//(1-2 i sin thet...

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  9. If 3 tan ^(2) theta - 2 sin theta = 0 " then " theta =

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  10. If sin 3 theta - sin theta = 4 cos ^(2) theta - 2 " then " theta =

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  11. Find the general solution for each of the following equations : tant...

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  12. The number of solutions of the equation cos^(2)(pi)/3 cos x-(8pi)/3=1 ...

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  13. The number of roots of the equation 2 sin^(2)theta + 3 sin theta + 1 =...

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  14. The number of values of x in the interval [0, 5 pi] satisfying the equ...

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  15. If 5 cos 2 theta + 2 cos ^(2) ""(theta)/(2) + 1 = 0 , - pi lt theta l...

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  16. If theta in [0, 5 pi] and r in R such that 2 sin theta = r^(4) - 2 r^...

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  17. The equation tan^(4) x - 2 sec ^(2) x + a = 0 will have at least one s...

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  18. The number of roots fo the equation tan(x+(pi)/6)=2tann x for x in (0,...

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  19. The number of solutions of cosx=|1+sinx|,0lexle3pi is

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  20. The variable x satisfying the equation |sinxcosx|+sqrt(2+tan^(2)x+cot^...

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