Sine and cosine functions have periods of:
Tangent functions have periods of:
How do you convert radians to degrees?
(Radians x 180) / π
How do you convert degrees to radians?
(Degrees x π) / 180
What do you do with the number before the x in a function to find the period?
Put it under π or 2π, depending on the function.
How do you find the tangent of an angle?
Tanx = (sinx/cosx)