Question

tan²x/2=t then tanx/2=​

Answer 1

Step-by-step explanation:

tan²x/2=t then tanx/2= √t

Answer 2

Tanx +1/tanx=2

(tanx +1/tanx)^2=2^2

tan^2+(1/tan)^2+2*tanx *1/tanx =4 (a+b)^2

tan^2+1/tan^2x +2=4

tan^2x+ 1/tan^2x =2