`cos 15^(@) -sin 15^(@) ` का मान है|

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

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

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

What is the value of cos 15^@-cos 165^@ ? cos 15^@-cos 165^@ का मान क्या है?

The value of (cos 15^(@) - sin 15^(@))/(cos 15^(@) + sin 15^(@) is

what is the value of sin75^@ + sin 15^@ ? sin75^@ + sin 15^@ का मान क्या है?

(cos 15^(@) + sin 15^(@))/(cos 15^(@) - sin 15^(@)) =

Evalute |(cos 15^(@) sin 15^(@)),(sin 75^(@) cos 75^(@))|

Evaluate : |{:(cos15^(@) sin 15^(@) ),(sin 75^(@) cos 75^(@)):}| .

Which one of the following number (s) is/are rational? - 1) sin 15^(@) 2) cos 15^(@) 3) sin 15^(@) cos 15^(@) 4) sin15^(@) cos 75^(@)