Misalkan :
U = sinx —-> U’ = cosx
V = tanx —-> V’ = sec^2x
Sifat identitas : sin^2x + cos^2x = 1
___________________ : cos^2x
tan^2x + 1 = sec^2x
4. Jika y = sin x
_______ maka y’ =…
sinx + cosx
A. – 1/sin2x
B. 1/sin2x
C. – 1/1-sin2x
D. 1/1+sin2x