IF tan-1x+tan-1y= (4pie/3) then find cot-1x+cot-1y - Maths - Inverse Trigonometric Functions

Question

IF tan-1x+tan-1y= (4pie/3) then find
cot-1x+cot-1​y

Neha Sethi · Accepted Answer

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IF tan-1x+tan-1y= (4pie/3) then find cot-1x+cot-1​y