1.
Space between two lines
3.
Adjacent over hypotenuse
5.
Says two things are equal
6.
Function where f(–x) = f(x)
7.
Math rule or relationship
9.
True equation for all values
10.
Function that undoes another
11.
Function where f(–x) = –f(x)
13.
Trig identity using division
14.
One number divided by another
15.
Flipped version of a value
17.
Trig function uses opposite and hypotenuse
18.
Four straight sides of equal length and four equal angles
19.
Opposite over adjacent
20.
Greek letter for angles
21.
Study of triangle math