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The number of real solutions of tan(5pic...

The number of real solutions of `tan(5picosalpha)=cot(5pisinalpha), alpha in (0, 2pi)`, is

A

7

B

14

C

21

D

28

Text Solution

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The correct Answer is:
B
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PATHFINDER-TRIGONOMETRIC EQUATION AND INVERSE-QUESTION BANK
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  4. If x+y=pi/4 and tanx+tany=1, then

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