Question

if x is an acute angle and tan x --3/4 evaluate : cos x sin x /cos. x + sin x

Answer 1

I need the answer

Answer 2

tanx = 3/4
draw the triangle, and you can see that the hypotenuse is 5, so
sinx = 3/5
cosx = 4/5
Now just use those values in your (somewhat ambiguous) expression