. cos2θ=
a .(1-tan²θ)/2tanθ
b.(1+tan²θ)/2tanθ
c. (1-tan²θ)/1+tan²θ
d. 2tanθ/(1-tan²θ)
Answers
Answered by
1
Answer:
(1+tan^20)/2tan0 is the correct answer
Step-by-step explanation:
mark a brainlist answer
Answered by
1
Answer:
Brother now also it's not opening
Similar questions