Find the Value of sin `18^@` or cos `72^@`

Find the value of sin18^@

Find the value of sin 15^@+ cos 15^@

Find the Value of cos18^(@) or sin72^(@)

Find the value of (sin 135^(@) - cos 120^(@))/(sin 135^(@) + cos 120^(@))

If sin (A-B)=sin A cos B-cos A sin B and cos (A - B) = cos A cos B + sin A sin B . find the values of sin 15^@ and cos 15^@.

Find Value of sin27^(@) or cos63^(@)

find the value of sin18^(0) and cos36^(@)

What is the value of sin 18^@ cos 36^@ ?

Find the value of cos 12^@*cos 24^@*cos 36^@*cos 48^@*cos 72^@*cos96^@