`cos 15^(@) - sin 15^(@)` का मान ………….. है ।

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

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

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^(@)) =

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^(@)

The value cosec(67^@ +theta)-sec (23^@ -theta)+cos 15^@ cos35^@ cosec 55^@ cos60^@ cosec 75^@ is: cosec(67^@ +theta)-sec (23^@ -theta)+cos 15^@ cos35^@ cosec 55^@ cos60^@ cosec 75^@ का मान है :

The value of cos15^(@)-sin15^(@) is

Prove that sin 75^(@) - sin 15^(@) = cos 105^(@) + cos 15^(@)