y'=cos(x)

y = sin(x)

t_1

t_1

t_2

t_1 ha pendenza m_1 = 1

f(x) = sin(x)
k = 3 (slider from 0.1 to 3, step 0.1)
g(x) = (k * sin(x))
A = Point(g)
testo3: "y = " + g + ""
O = (0, 0)
a = Tangent(O, f)
B = Point(a)
C = Point(a)
b = Segment(B, C)
c = Tangent(O, g)
D = Point(c)
E = Point(c)
d = Segment(E, D)
testo6_1: "t_2 ha pendenza m_2 = " + k + "∙1"