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The number of solutions of the equation ...

The number of solutions of the equation `2 tan^2theta-7sec theta-2 = 0` in the interval `[0, 6pi]` is

A

8

B

6

C

4

D

Zero

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The correct Answer is:
B
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AAKASH INSTITUTE-TRIGNOMETRIC FUNCTIONS -Section-B (Objective Type Questions One option is correct)
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  9. The general solution of the equations tantheta=-1 and costheta=1/sqrt(...

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  15. If m, n in N( n> m), then number of solutions of the equation n|sin...

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  16. If sinA = sinBandcosA=cosA=cosB, then which one of the following is c...

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