The value of `cos 75^(@) cos 15^(@)` is equal to

The value of cos 15^(@) - sin 15^(@) is equal to

Select and write the correct answer from the given alternatives in each of the following:The value of cos75^@.cos15^@ is equal to…..

The value of cos 75^@ cos15^@ is equal to

The value of (sin 75^(@) -cos 75^(@)) is-

The value of cos75^@ is:

The value of cos75^@ is:

Value of cos75^@=

cos 15^(@) - cos 75^(@) =

The value of 2 sin 15^(@).cos75^(@)