f(x) = cos(x2)
e0.7
"

1+ ctg x
x3+x2
dx dx
x3-1 sin2 x

dx
" .
x2 + x + 4
f(x) = cosh x, x " [-1, 1] OX
3
f(x) = ex
ln 1.1
"

3
x3+x2 1- tan x
dx dx
x3+1 cos2 x

dx
" .
x2 + 5x + 7
f(x) = x2, x " [-1, 1]
OX.