1. 8.3 Trigonometry
By Brit Caswell

2. Trig Ratios in Right Triangles
You can remember this using the mnemonic device SOHCAHTOA.

3. Pg 508, #1
Find the sin, cos, and tan for ∠T?

4. Pg 509, #2

5. Just like other mathematical operators have inverses (e. g
Just like other mathematical operators have inverses (e.g. addition is the inverse of subtraction), trigonometric ratios have inverses. They are shown by the exponent -1 being placed after the operator.

6. Pg 509, #3

7. Pg 510

8. Angles of Elevation and Depression

9. Pg 518 #3

10. d
Pg 518 #3