" (a) "sin15^(@)

sin 15^(@)=

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

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

|["cos"15^(@), "sin"15^(@)], ["sin"15^(@), "cos"15^(@)]|=?

Which of the following number(s) is/are rational? (a)sin 15^(0)(b)cos15^(0)(c)sin15^(0)cos15^(0)(d)sin15^(0)cos75^(0)

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^(@)

sin 75^(@) + sin 15^(@) =

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

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

Write the value of 2sin 75^(@) sin15^(@)