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In the interval [-pi/2,pi/2] the equatio...

In the interval `[-pi/2,pi/2] `the equation `log_(sin theta)(cos 2 theta)=2` has

A

no solution

B

a unique solution

C

two solution

D

infinitely many solutions

Text Solution

Verified by Experts

The correct Answer is:
2
`because -1 le sin theta le 1 "here"
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