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Find the number of solutions of sintheta...

Find the number of solutions of `sintheta + 2sin2theta + 3sin3theta + 4sin4theta = 10` in `(0,pi )`.

A

1

B

2

C

4

D

0

Text Solution

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The correct Answer is:
D
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MOTION-TRIGONOMETRIC EQUATION-EXERCISE 1
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  10. No. of solution in the equation x=4sinx when in [0,2pi]

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