A. cosx (2 + tan^2x)
B. cosx (2 - tan^2x)
C. sinx (2 + tan^2x)
D. sinx (2 - tan^2x)
E. sinx (tan^2x - 2)
cara :
Sederhanakan :
h(x) = sinx tanx
= sinx (sinx/cosx)
= sin^2x
________
cosx
A. cosx (2 + tan^2x)
B. cosx (2 - tan^2x)
C. sinx (2 + tan^2x)
D. sinx (2 - tan^2x)
E. sinx (tan^2x - 2)
cara :
Sederhanakan :
h(x) = sinx tanx
= sinx (sinx/cosx)
= sin^2x
________
cosx
Editor: Muhammad Khusaini