[" Prove that "],[" (i) "sin75^(@)=((sqrt(6)+sqrt(2)))/(4)]

Prove that (i) " sin " 75^(@) =((sqrt(6)+sqrt(2)))/(4) (ii) (cos 135^(@) -cos 120^(@))/(cos 135^(@) +cos 120^(@)) =(3 -2sqrt(2)) (iii) " tan " 15^(@) +" cot " 15^(@) =4

prove that sin75=(sqrt(6)+sqrt(2))/(4)

prove that sin75=(sqrt(6)+sqrt(2))/(4)

Prove that : sin 75^0 = (sqrt(6) + sqrt(2))/4

Prove that : sin 75^0 = (sqrt(6) + sqrt(2))/4

Prove that : (i) sin(tan^(-1)1) = 1/(sqrt(2))

Prove that Sin15^(@)=(sqrt(3)-1)/(2sqrt(2))=Cos75^(@)

Prove that: sin15^(@)=(sqrt(3)-1)/(2sqrt(2))

Prove that: sin15^(@)=(sqrt(3)-1)/(2sqrt(2))

Prove that, 4sin27^(@)=sqrt(5+sqrt(5))+sqrt(3-sqrt(5))