Home
Class 12
MATHS
cos 40^(@) + cos 80^(@) + cos 160^(@) =...

`cos 40^(@) + cos 80^(@) + cos 160^(@) = `

Promotional Banner

Similar Questions

Explore conceptually related problems

cos 20^(@)* cos 40^(@) * cos 60^(@) * cos 80^(@) =

Prove that cos40^(@) cos80^(@) cos160^(@) = -1/8

cos 20^(@) + cos 40^(@) + cos 60^(@) +...+cos160^(@)+cos 180^(@)=

Cos 40^(@) + Cos80^(@) + Cos160^(@) + Cos240^(@) =

cos 20^(@) cos 40^(@) cos 80^(@)=

Prove that cos 80^(@) - cos 40^(@) + sqrt3 cos 70^(@) = 0

Prove that cos 20^(@) cos 40^(@) cos 80^(@) = (1)/(8).

Prove that cos 20^(@) cos 40^(@) cos 80^(@)=1/8