If θ lies in the first quadrant and , then the value of tan 2 2θ + sin
| If θ lies in the first quadrant and
, then the value of tan22θ + sin23θ is :

A.
B. 4
C.
D. 3
Right Answer is: B
SOLUTION
We know that,
Hence,
Required,
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If θ lies in the first quadrant and , then the value of tan 2 2θ + sin