Question

Si f(0) = sin20 + cos0. Hallar f(0), f(π/2), f(π)

Answer 1

f(P)= Sen2P+cos P
f(0) sen 0+cos 0 = +1=1
f(pi/2) sen pi +cos pi/2= 0+0=0
f(pi) = sen 2pi+cos pi= 0-1=-1
f(x) 4-2x`^ 2
f(0)= 4
f(01)=f(-1)= 4-2=2
f(2)= (f-2)=2-8=-6