a*(sqrt(3)/n) - acot(-sqrt(3)) – InterviewSolution

1.

a*(sqrt(3)/n) - acot(-sqrt(3))

Answer»

We know that tan¯¹ √3 is at the angle π/3.Now,

⇒ tan¯¹ √3 - cot-1 (-√3)⇒ π/3 - (π-π/3)⇒ π/3 - 5π/6⇒ -3π/6⇒ -π/2

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