if-pi-2n-1-n-1-n-N-then-prove-that-tan-tan2-tan3-tan-n-2n-1-

Question Number 140338 by Arzoon last updated on 06/May/21

i f θ = \frac{π}{2 n + 1}, n ⩾ 1, n \in N, t h e n p r o v e t h a t :

t a n θ t a n 2 θ t a n 3 θ \cdot \cdot \cdot \cdot \cdot \cdot t a n (n θ) = \sqrt{2 n + 1}