Unit 5 math quiz
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what is a periodic function?
a function that has a pattern and that repeats at regular intervals
what is the equation for amplitude
Max-Min divided by 2
what is the equation for baseline/axis of curve
Max + Min divided by 2
what is standard position
the position of an angle when its vertes is at the origin and its initial arm is on the positive x-axis
what is the initial arm
the arm on the positive x-axis
fill in the blanks: If the rotation of the terminal arm is _____, then the angle is _____
counter-clock wise, positive
fill in the blanks: If the rotation of the terminal arm is _____, then the angle is _____
Clockwise, Negative
When the terminal arm is in quadrant 1 solve for ____
θ
when the terminal arm is in quadrant 2 solve for
θ= 180- α
when the terminal arm is in quadrant 3 solve for
θ= 180+ α
when the terminal arm is in quadrant 4 solve for
θ= 360-α
graphs that have the same shape as y=sin x are called..
sinusoidal functions
what are the key points
0°= 0 90°= 1 180°= 0 270°= -1 360°= 0
how to find the max if not given it
c + a
how to find the min if not given it
c - a