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साबित करें कि cos 10^(@) cos 30^(@) cos...

साबित करें कि `cos 10^(@) cos 30^(@) cos50^(@) cos70^(@) = (3)/(16)`

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cos 10^(@) cos 30^(@) cos 50^(@) cos 70^(@) =(3)/(16)

cos 10^(@) cos 30^(@) cos 50^(@) cos 70^(@) =

Prove that cos10^(@)cos30^(@)cos50^(@)cos70^(@)=(3)/(16)

Prove that cos10^(@)cos30^(@)cos50^(@)cos70^(@)=(3)/(16)

Prove that: cos10^(0)cos30^(@)cos50^(@)cos70^(@)=(3)/(16)

cos10^(0)cos30^(0)cos50^(@)cos70^(0)

1 + cos 10^(@) + cos 20^(@) + cos30^(@) =

1+ cos 10^(@) + cos 20^(@)+ cso 30^(@)=

The value of 16cos 10^(@) cos30^(@) cos50^(@)cos70^(@) "is"