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

cos 15^(@) - cos 75^(@) =

Evaluate: i) cos75^(@) , ii) cos15^(@) , iii) tan75^(@) , iv) tan105^(@) , v) sin105^(@)

Calculate the value of (i) sin 15^(@) " "(ii) cos 15^(@)" "(iii) tan 15^(@) (iv) sin 75^(@) " "(v) cos 75^(@) " "(vi) tan 75^(@)

Calculate the value of (i) sin 15^(@) " "(ii) cos 15^(@)" "(iii) tan 15^(@) (iv) sin 75^(@) " "(v) cos 75^(@) " "(vi) tan 75^(@)

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

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

tan15^(@) + tan 75^(@)=

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

Find values of sin15^(@),cos15^(@),sin75^(@),cos75^(@),tan15^(@),tan75^(@) .