[" 1.(a) "sin300" (b) "cos" (- "],[" (a) "cos^(2)10^(@)," (b) "sin48]

sin300 ^ (@) cos ec1050 ^ (@) - tan (-120 ^ (@))

Find the value of (a) cot 300^(@) (b) tan 330^(@) (c) cos (-60)^(@) (d) sin (-150)^(@) (e) cos ( -120)^(@)

Simplify : sin 300^(@) cos 390^(@) tan (-855^(@))+cos(-120^(@))* sin (-330^(@))

sin 420^(@) * cos 390^(@)- cos(-330^(@))* sin(-300^(@))=

If sin (A+B)= cos (A-B) = 1 , then

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 value of sin 330^(@) .cos 120^(@) + cos 210^(@) . Sin 300^(@) .

Find the value of sin330^(@)cos120^(@)+cos210^(@)sin300^(@)