Question

If 2tanθ=secθ , then4cot2θ−8tan2θ​

Answer 1

Step-by-step explanation:

2(sinθ/cosθ) = (1/cosθ)

2sinθ = 1

sinθ = 1/2 = sin 30°

So, θ = 30°

Put the value of θ in the expression you will get answer.

If u cannot do that then comment I will solve it and send.