If tan7θ.tan2θ = 1, then the value of tan3θ is? – 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 $$

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