Find the value of the following :
(a) `sin 120^(@)` (b) `cos 135^(@)` (c ) `tan 150^(@)`

Find the value of the following : (a) sin 210^(@) (b) cos 220^(@) (c ) tan 245^(@)

Find the value of the following : (a) sin ( - 30^(@)) (b) cos (-60^(@)) (c ) tan (- 45^(@))

(a) Find the value of followings : (i) sin 150^(@) , (ii) cos 135^(@) , (iii) cos (-30^(@)) , (iv) tan 225^(@) . (b) If cos theta =(4)/(5) . Find the value of sin theta and tan theta . (c) Find the value of sin ^(-1)(1) .

Find the value of following :- {:((a)sin 150^(@)"", (b)sin 135^(@)), ((c)cos 120^(@)"", (d)tan 225^(@)), ((e)cos 240^(@)"", (f)sin 210^(@)), ((g)sin 315^(@)"", (h)sin 300^(@)):}

Find the value of following :- {:((a)sin 150^(@)"", (b)sin 135^(@)), ((c)cos 120^(@)"", (d)tan 225^(@)), ((e)cos 240^(@)"", (f)sin 210^(@)), ((g)sin 315^(@)"", (h)sin 300^(@)):}

Find the values of the following :- {:((a)sin(-30^(@)),(b)cos(-45^(@))),((c)sin(-60^(@)),(d)tan(-45^(@))):}

Find the values of the following :- {:((a)sin(-30^(@)),(b)cos(-45^(@))),((c)sin(-60^(@)),(d)tan(-45^(@))):}

Find the values of the following :- {:((a)sin(-30^(@)),(b)cos(-45^(@))),((c)sin(-60^(@)),(d)tan(-45^(@))):}

Find the values of : (i) tan (-30^(@)) (ii) sin 120^(@) (iii) sin 135^(@) (iv) cos 150^(@) (v) sin 270^(@) (vi) cos 270^(@)

Find the values of: (i) tan (-30^(@)) (ii) sin 120^(@) (iii) sin 135^(@) (iv) cos 150^(@) (v) sin 270^(@) (vi) cos 270^(@)