6.cos6^(@)cos42^(@)cos66^(@)cos78^(@)=(1...

6.cos6^(@)cos42^(@)cos66^(@)cos78^(@)=(1)/(16)

Promotional Banner

Promotional Banner

Similar Questions

Explore conceptually related problems

Prove that cos6^(@)*cos42^(@)*cos66^(@)cos78^(@)=(1)/(16)

4cos6^(@)cos42^(@)cos60^(@)cos78^(@)=

Prove that cos 20^(@)cos40^(@)cos60^(@)cos80^(@)=(1)/(16)

Prove that :cos20^(@)cos40^(@)cos60^(@)cos80^(@)=(1)/(16)

Prove that cos 6^(@) cos 42^(@) cos 66^(@) cos 78^(@) =(1)/(16)

Prove that: cos36^(@)cos72^(@)cos108^(@)cos144^(@)=(1)/(16)

cos20^(@).cos40^(@).cos60^(@).cos80^(@)=1/16

cos20^(@).cos40^(@).cos60^(@).cos80^(@)=1/16

Recommended Questions

6.cos6^(@)cos42^(@)cos66^(@)cos78^(@)=(1)/(16)
Text Solution
|
Prove that cos6^(@)*cos42^(@)*cos66^(@)cos78^(@)=(1)/(16)
Text Solution
|
Prove that: cos 78^0cos 42^0cos 36^0=1/8
Text Solution
|
Prove that: sin6^0sin42^0sin 66^0sin 78^0=1/(16)
Text Solution
|
Write the value of cos^(-1)(cos6) .
Text Solution
|
4\ cos 6^@ cos 42^@ cos 60^@ cos 78^@=
Text Solution
|
cos42^(@)+cos78^(@)+cos162^(@)=
Text Solution
|
A=cos20^(@)cos40^(@)cos60^(@)cos80^(@),B=cos60cos42^(@)cos66^(@)cos78^...
Text Solution
|
The simplified value of (sin12^(@)-cos78^(@)) is 1.
Text Solution
|