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cos10^(@)cos30^(@)cos50^(@)cos70^(@)=(3)...

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

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

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

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

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

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

Prove that: cos 10^0cos30^0cos 50^0cos 70^0=3/(16)

Prove that: cos 10^0cos30^0cos 50^0cos 70^0=3/(16)

Prove the following : cos 10^@ cos 30^@ cos 50^@ cos 70^@ = 3/16 .