a = 0.6 (slider from -5 to 5, step 0.1)
b = 1.7 (slider from -5 to 5, step 0.1)
A = 3 (slider from -5 to 5, step 0.1)
p = 3.1 (slider from -5 to 5, step 0.1)
f(x) = a * sin(x) + b * cos(x)
c: sqrt(a^(2.0) + b^(2.0))
d: asin(a / c)
e: acos(a / c)
Text1: "\sqrt{a^2 + b^2} = " + c
Text2: "asin (\frac b {\sqrt{a^2+b^2}}) = " + e
g(x) = A * sin(x + p)
Text3: "f(x) = " + a + " sin x + " + b + " cos x "
Text4: "g(x) = " + A + " cos (x + " + p + ")"