Find the value of : (i) sin 30^(@)+cos 60^(@) (ii) sin 0^(@)-cos 0^(@) (iii) tan 45^(@)- tan 37^(@) (iv) sin 390^(@) (v) cos 405^(@) (vi) tan 420^(@) (vii) sin 150^(@) (viii) cos 120^(@) (ix) tan 135^(@) (x) sin (330^(@)) (xi) cos 300^(@) (xii) sin (-30^(@)) (xiii) cos (-60^(@)) (xiv) tan (-45^(@)) (xv) sin (-150^(@))
Answers
Answered by
0
(i) sin 30^(@)+cos 60^(@)
(ii) sin 0^(@)-cos 0^(@)
(iii) tan 45^(@)- tan 37^(@)
(iv) sin 390^(@)
(v) cos 405^(@)
(vi) tan 420^(@) (vii) sin 150^(@)
(viii) cos 120^(@) (ix) tan 135^(@)
(x) sin (330^(@)) (xi) cos 300^(@) ✔✔
(xii) sin (-30^(@))
(xiii) cos (-60^(@))
(xiv) tan (-45^(@))
(xv) sin (-150^(@))
Similar questions