precalc
posted by juli .
f(x) =pi/2x g(x)= 5sinx/8+cos x
find (gof)(pi/2)
and (fof)(pi/2)

Is that 5sin(x)/8 or 5sin(x/8)?
Respond to this Question
Similar Questions

Calculus
Hi there, I need help with composition of functions. I need to find fog, gof, gog, and fof and their domains for the following: f(x) = square root of 2x +3 g(x) = x^2 + 1 if someone can help me asap that would be so great! 
Trigonometry
How do I solve these? 1) 2sinxcosxcosx=0 2) cos^2(x)0.5cosx=0 3) 6sin^2(x)5sinx+1=0 4) tan^2(x)+tanx12=0 
math
If f(x)=x and g(x)=x+1 find the function and its domain: 1. gof 2. fof 
calculus
Evaulate ∫5sinx+cos(5x)dx 
Precalc
If α, β, and γ are direction angles for a vector in three dimensions and cos α = 0.6 and cos β = 0.7, find cos γ 
math
(x) =pi/2x g(x)= 5sinx/8+cos x find (gof)(pi/2) and (fof)(pi/2) 
math
Find a. fog b. gof c. fof d. gog f(x)=4x g(x)=3x5 
math
Find a. fog b. gof c. fof d. gog for each function f(x)=4x g(x)=3x5 
trig equations
Find all solutions (if they exist)for the given equation on the interval [0,2pi) cos^2x5sinx+5=0 
precalc
Given that sin 64° = 9/10 and cos 64° = (√19)/10 find the following: 1. cot 64° = 2. cos 64° = 3. csc 64° = 4. csc 26° = 5. sec 244° =