f(x) = sin(x)

g(x) = cos(x)

$x$

f'

f'(x)

g'

g'(x)

M: (0, 0)
gL2: -1.5
gR2: 1.5
gU2: -1.5
gO2: 1.5
gL1: -1
gR1: 8
gU1: -2
gO1: 2
f(x) = sin(x)
g(x) = cos(x)
a = false
b = true
X = Point(xAxis)
x0: x(X)
Psin: (x0, f(x0))
tsin = Tangent(Psin, f)
Qsin: (x0, f'(x0))
f1(x) = cos(x)
c = false
Pcos: (x0, g(x0))
Qcos: (x0, g'(x0))
tcos = Tangent(Pcos, g)
g1(x) = (-sin(x))
d = false
mcos: g'(x0)
Text1: "g'(x) = " + mcos + ""