hasil pengintegralan | sin2 x dx

Intergral

∫ sin² x dx = 
ubah bentuk sin² x = ..
cos 2x= 1 - 2 sin² x --> 2 sin² x = 1 - cos 2x
sin² x  = 1/2 - 1/2 cos  2x

∫ sin² x dx = ∫ (1/2 - 1/2 cos  2x ) dx
= 1/2 x - 1/2 (2) (-sin 2x)
= 1/2 x  + sin 2x + c