Find the value of `cos20^@. cos40^@. Cos60^@. Cos80^@`

A

`frac(1)(12)`

B

`frac(1)(16)`

C

`frac(1)(9)`

D

`frac(1)(5)`

AI Generated Solution

Similar Questions

Explore conceptually related problems

Find the value of sin50^(@)-cos40^(@) .

The value of cos 20^(@) cos 40^(@)cos 60^(@) cos 80^(@) is equal to

cos20^(@).cos40^(@).cos60^(@).cos80^(@) is :

Find the value of 8 cos10^(@)cos20^(@)cos40^(@) .

Find the value of 3cos20^(@)-4cos^(3)20^(@) .

find the value of cot45^(@)+cos60^(@)

Find the value of cos20^(@)+cos100^(@)+cos140^(@):

if sin2A=2sin A cos A and sin20^(@)=K then the value of cos20^(@)cos40^(@)cos80^(@)cos160^(@)-

Find the value of sin80cos20cos80sin20