$f(x)=A\sin(\omega x + \varphi)$

A\sin(\omega x + \varphi)

A\cos(\omega x + \varphi)

A\operatorname{tg}(\omega x + \varphi)

A\operatorname{ctg}(\omega x + \varphi)

ω = 1.7 (slider from -5 to 5)
φ = -0.4 (slider from -5 to 5)
A = 0.9 (slider from -5 to 5)
q(x) = (A * sin((ω * x) + φ))
a = false
f(x) = (A * cos((ω * x) + φ))
b = true
g(x) = (A * tan((ω * x) + φ))
c = false
h(x) = (A * cot((ω * x) + φ))
d = false