Question

tanA+1/tanA=2 then find the value of tan2A+1/tan2A

Answer 1

Answer 2.

Step-by-step explanation:Put tanA = t. Then, for t +1/t = 2, we have [t + 1/t]^2 = 4 = t^2 + (1/t)^2 + 2t(1/t) = t^2 + (1/t)^2 + 2, then

t^2 + (1/t)^2 = 2.

Answer 2

its (tanA)^2 or tan(2A)