f(x) =  sin(a x + b)

g(x) = sin(c x + d)

f(x)

g(x)

f(x) + g(x)

a = 1 (slider from -5 to 5, step 0.1)
b = 0 (slider from -5 to 5, step 0.1)
f(x) = sin(a x + b)
T6: "f(x) = " + f
c = 2.4 (slider from -5 to 5, step 0.1)
d = 2.1 (slider from -5 to 5, step 0.1)
g(x) = sin(c x + d)
text2: "g(x) = " + g
h(x) = f(x) + g(x)
e = true
i = true
j = false