`" sin " (150^(@) + x) + " sin " (150^(@) -x) " = cos x"`

int (sin ^ (2) x cos ^ (2) x) / ((sin ^ (5) x + cos ^ (3) x sin ^ (2) x + sin ^ (3) x cos ^ (2) x + cos ^ (5) x) ^ (2)) dx

The value of sin(-150^(@)) is :

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^(@))

sin x sin (cos x)

Prove that (1 + sin x-cos x) / (1 + sin x + cos x) + (1 + sin x + cos x) / (1 + sin x-cos x) = 2cos ecx

What is the value of (sin^(3) x + cos^(3) x)/( sin x + cos x) + sin x cos x ?

The value of cos 480^(@) sin 150^(@) + sin 600^(@) cos 390^(@) is

(sin 3x + sin x) sin x + (cos 3x - cos x) cos x =0

int (sin x * e ^ (cos x) - (sin x + cos x) e ^ (sin x + cos x)) / (e ^ (2sin x) -2e ^ (sin x) +1) dx

sin120^(@)cos150^(@)-cos240^(@)sin330^(@)