Question

If cotteta =1/√3 then find the value of (1-cos^2teta) / (1+cos^2teta)

Pls Ans..

Answer 1

Answer:

Cot x = 1/ √3

x = 60 degrees

cos (x) = cos 60 = 1/2

sin x = sin 60 = √3 / 2

1 - cos² x = 1 - 1/4 = 3/4

2 - sin²x = 2 - 3/4 = 5/4

1 - cos² x / 2 - sin²x = 3/5