Richard P. answered 05/04/15
Tutor
New to Wyzant
The "B" value of this expression is 4. For the tangent and cotangent, the period, T, is T = π/B so for this example
the period is π/4.
For the other trig functions the period is T = 2π/B.
The B value is the number multiplying x in the function argument.