Evaluate (i) tan `480^(@)` (ii) sin `((-11pi)/(3))`.

Evaluate(i) cos 36^(@) (ii) tan((13pi)/(12))

Find the value of tan 480^(@)

Find the value of tan( 480^(@) )

Value of sin (-(11pi )/( 3)) is

Evaluate : (I ) tan ^(-1) (tan"" (3pi )/(4)) (ii ) tan^(-1) ""( tan "" (pi )/(4))

Find the value of (i) cos 480^(@) " " (ii) sin 1230^(@) " "(iii) cot (-135^(@)) (iv) "cosec "(-1410^(@))" "(v) cos (-870^(@)) " "(vi) tan 330^(@)

Find the value of: (i) cos 210^(@) (ii) "sin" 225^(@) (iii) "tan" 330^(@) (iv) cot(-315^(@)) (v) "sec"(11pi)/(4)

Find the value of (I ) sin^(-1) ( sin ((2pi )/(3)) ) (ii ) sin^(-1) (sin ((5 pi )/(4)))