A Math puzzle Crossword

Unit of angular measurement equal to 1/180th of a straight angle
(degrees - Minutes - seconds) or a system of angular measure
A central angle of a circle has measure 1 radian if it intercepts an arc with the same length as its radius
Congruent angles and proportional side lengths
Angle with a vertex at the origin; one ray along the positive x axis and rotating counter-clockwise
A Function y=f(x) is periodic if there is a positive number C such that f(t+c)=f(t) for all t in the domain. The smallest such #C is called the period of the function.
x - values or input
y - values or output, f(x)
What the y - values are approaching
A relation in which each x has one and only one y
The domain of the first relation is the range for the second relation
Points at which the graph goes from increasing to decreasing or decreasing to increasing
The max value of the graph where the graph goes from increasing to decreasing.
the min. value of a graph where the graph goes from decreasing to increasing
x-intercept, f(x)=0, solutions, or roots