`( sin 75^(@) - sin 15^(@))/( cos 15^(@) - cos 75^(@))= `

(sin 75^(@) - sin 15 ^(@))/( cos 75^(@) + cos 15 ^(@)) = (1)/(sqrt3)

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

(sin75^(@) - sin 15^(@))/(cos 75^(@) + cos 15^(@)) A) -sqrt3 B) sqrt3 C) (1)/(sqrt3) D) (1)/(sqrt3)

Cos15^(@) - Cos75^(@) =

cos15^(@)-cos75^(@)=

Simplify (sin 75^(@)-sin 15^(@))/(cos 75^(@)+cos 15^(@))

sin 10^(@)+sin 20^(@) + sin 40 ^(@) + sin 50 = A) sin 15^(@) +sin 75^(@) B) cos 15^(@) + cos75^(@) C) sin 70^(@) + sin 80^(@) D) cos 70^(@) + cos 80^(@)

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

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