Find the value of sin `30^(@)+cos 60^(@)`

Find the value of 2sin30^(@)cos30^(@) .

Find the value of sin60^(@)cos30^(@)+cos60^(@)sin30^(@) .

Find the value of sin^2 30^@+cos^2 60^@+tan^2 45^@ .

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^(@))

Find the value of sin^(2)30^(@)+cos^(2)60^(@)+tan45^(@) .

find the value of sin60^(@)cos30^(@)+sin30^(@)cos60^(@)

Find the value of (sin30^(@))/(cos^(2)45^(@))-tan^(2)60^(@)+3cos90^(@)+sin0^(@) .

Find the value of sin ^2 30^@ +cos^@ 45^@ .

Find the value of (sin30^@+cos30^@)(sin60^@+cos60^@)

Find the value of, 2 tan 45^(@)+cos 30^(@)-sin 60^(@) .