Similar Questions
Explore conceptually related problems
Recommended Questions
- [cos20^(@)cos40^(@)cos60^(@)cos80^(@)=(1)/(16)],[cos2x cos x/2-cos3x c...
Text Solution
|
- Prove that: cos20^0cos40^0cos60^0cos80^0=1/(16)
Text Solution
|
- Prove that cos20^0cos40^0cos60^0cos80^0=1/(16)dot
Text Solution
|
- cos20 ^ (@) cos40 ^ (@) cos60 ^ (@) cos80 ^ (@) - (1) / (16) =
Text Solution
|
- cos2x(cos x)/(2)-cos3x(cos(9x))/(2)=sin5x(sin(5x))/(2)
Text Solution
|
- Prove that cos2xcos(x/2)-cos3xcos((9x)/2)=sin5xsin((5x)/2)
Text Solution
|
- cos 20^@.cos 40^@.cos 60^@ cos 80^@=
Text Solution
|
- Find : cos 20^0cos 40^0cos 60^0cos 80^0
Text Solution
|
- cos20^(@).cos40^(@).cos60^(@).cos80^(@)=1/16
Text Solution
|