Precalculus
Alexus Allen
chapter 1
1.5
1.6 Fnuction Operations & Compositions of functions
1.7
chapter 2
2.2
2.4
2.5
chapter 3
3.1
>
3.2
3.3
3.4
chapter 4
4.1
4.2
4.3
4.4
4.5
4.6
4.7
chapter 5
5.1
5.2
5.3
Trig functions on the unit circle
To find the value of a trig. function
1. find reference angle
2. find the value of the trig. function for theta
3. use the quadrant in witch the terminal side of theta lies to determine the sign of the trig. function value of theta.
Exact value
Reference angle rules
Precalculus