`(i) cos75^@ (ii)cos15^@`

(i) cos 15^@ (ii) cos75^@ (iii) tan15^@ (iv)tan75^@

Find the values of the following: (i) sin75^(@) (ii) cos15^(@)

Find the values of the following: sin75^0 (ii) cos75^0 (iii) sin15^0 (iv) cos15^0

Find the values of the following: sin75^0 (ii) cos75^0 (iii) sin15^0 (iv) cos15^0

Express each of the folloiwng as a product (i) sin 75^(@)-sin 35^(@) (ii) cos 65^(@)+cos 15^(@) (iii) sin 50^(@)+sin 40^(@) (iv) cos 35^(@)-cos 75^(@) .

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

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

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

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

A.78^(@)-sin18^(@)+cos132^(@),B=cos12^(@)+cos84^(@)+cos132^(@)+cos156^(@) and C=(sin75^(@)+sin15^(@))/(cos75^(@)+cos15^(@)) then arrang in the ascending order