(cos15^(@)+sin15^(@))/(cos15^(@)-sin15^(@))

Evaluate ((cos15^(@)-sin15^(@)+1)/(cos15^(@)+sin15^(@)+1))((1+sin15^(@))/(cos15^(@)))

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

Which of the following number(s) is/are rational? (A) sin15^(@) (B) cos15^(@) (C) sin15^(@)cos15^(@)(D)sin15^(@)cos75^(@)

Which of the following number (s) is/are rational number? (A) sin15^(@) (B) cos15^(@) (C) sin15^(@)cos15^(@)(D)sin15^(@)cos75^(@)

sin15^(@)+cos105^(@)=?

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

Find the value of (sin75^(@)+sin15^(@))/(cos75^(@)+cos15^(@)) :

Simplyify (sin75^(@)-sin15^(@))/(cos75^(@)+cos15^(@))