Question

If tanA = 1 then the value of tan 2a

Answer 1

Answer: Undefined

Step by step explanation:

Given, tanA= 3

Now, using Formula:

$\tan(2a) = 2 \tan(a) \div (1 - \tan(a) {}^{2} )$

= $2 \times 1 \div (1 - {1}^{2} )$

= $\infty$

Hence, Value of tan 2A = Undefined.

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