Question

. cos2θ=
a .(1-tan²θ)/2tanθ
b.(1+tan²θ)/2tanθ
c. (1-tan²θ)/1+tan²θ
d. 2tanθ/(1-tan²θ)

Answer 1

Answer:

(1+tan^20)/2tan0 is the correct answer

Step-by-step explanation:

mark a brainlist answer

Answer 2

Answer:

Brother now also it's not opening