

MCQOPTIONS
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1. |
If tan7θ.tan2θ = 1, then the value of tan3θ is? |
A. | $\sqrt 3 $$ |
B. | $ - \frac{1}{{\sqrt 3 }}$$ |
C. | $\frac{1}{{\sqrt 3 }}$$ |
D. | $ - \sqrt 3 $$ |
Answer» D. $ - \sqrt 3 $$ | |