Question

What is the formula for 2arc tanx in tan form when x is greater than 0?​

Answer 1

Step-by-step explanation:

Therefore, from (i), (ii) and (iii) we get, 2 tan−1 x = tan−1 2x1−x2 = sin−1 2x1+x2 = cos−1 1−x21+x2 Proved. Solved examples on property of inverse circular function 2 arctan(x) = arctan(2x1−x2) = arcsin(2x1+x2) = arccos(1−x21+x2): 1. Find the value of the inverse function tan(2 tan−1 15).

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