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The number of principal solutions of tan...

The number of principal solutions of `tan2theta=1` is

A

one

B

two

C

three

D

four

Text Solution

Verified by Experts

The correct Answer is:
B
We have, `tan2theta=1`.
Here, the value of `tan2theta` is positive. So, `theta` lies in Ist and 3rd quadrants.
`therefore` Number of principal solution of `tan2theta=1`, is two.
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