August 2018 1 90 Report
1. tan^2 x - sin^2 x / tan^2 x sin^2 x =....
a. -1
b. 0
c. 1
d. sin^2 x
e. sec^2x
2. (tan x - sec x) (sin x +1)=...
a. -cos x
b. -tan x
c. sin x
d. cos x
e. 1- cos x
3. cos x/1 - sin x=...
a. sec x + tan x
b. sec x - tan x
c. sec x + cotan x
d. cosec x + cotan x
e. cosec x - cotan x

mohon bantuannya ya.. sama caranya juga ya :)
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