Question

tan inverse of x+y formula​

Answer 1

Answer:

Inverse Trigonometric Formulas List

S.No Inverse Trigonometric Formulas

13 tan-1 x + tan-1 y = tan-1((x+y)/(1-xy)), if the value xy < 1

14 tan-1 x – tan-1 y = tan-1((x-y)/(1+xy)), if the value xy > -1

15 2 tan-1 x = sin-1(2x/(1+x2)), |x| ≤ 1

16 2tan-1 x = cos-1((1-x2)/(1+x2)), x ≥ 0

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