(precalc) evaluate using sum and difference formulas. tan-15

the answer should be radical(3)-2, i just need the steps!

me! what did you put for this question?

step-by-step explanation:

answer: '

the distance between points l and m

step-by-step explanation:

for this pair of functions g(x)=x-2 and f(x)=|x| is (g o f)(a)= |a| -2

step-by-step explanation:

g(x)=x-2

f(x)=|x|

(g o f)(a)=?

(g o f)(x)=g(f(x))

(g o f)(x)=g(|x|)

(g o f)(x)=|x|-2

(g o f)(a)=|a|-2