If θ is internal angle of n sided regular polygon, then sin θ is equal to -

Question

If θ is internal angle of n sided regular polygon, then sin θ is equal to - (A)  sin (π/n) (B)  sin (2 π/n) (C)  sin (π/2 n) (D)  sin (n/π)

Tardigrade Admin · Accepted Answer

Correct answer is (b) sin (2 π/n)

Q. If $θ$ is internal angle of $n$ sided regular polygon, then $sin θ$ is equal to -