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Q.

The number of solutions of the equation (2sin(sinx2))(cos(sinx2))(sin(2tanx2cos2x2)3)+2=0in[0,2π] is

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a

2

b

1

c

0

d

4

answer is A.

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Detailed Solution

sin2(sinx)3sin(sinx)+2=0

{sin(sinx)2}{sin(sinx)1}=0

Equation has no solution.

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