PreCalculus Notes Name___________Group___
Translate the abbreviations into the whole word:
sin
cos
tan
csc
sec
cot
The sine is how __ __ __ __
The cosine is how far __ __ __ __
1
2
3
=
=
=
=
=
4
5
6
7
Example 5.5
Use even­odd properities to determine if the following expression is even or odd:
(tan2x)(cosx)
8
9
10
11
12