1. Section 7.3 – Trigonometric Equations

5. Try these two:

11. General Steps to Solving ANY Equation on TI-83
Set mode to radians (if trig is involved)
Set window to appropriate settings *
Set equation = 0
Enter equation into Y1.
Enter Y2 = 0
Graph
Find point(s) of intersection
2nd CALC 5
Press Enter
Move cursor using arrows NEAR point of intersection

12. x = 0.412, 2.730

13. Asymptote
x = 0.464, 3.605

14. x = 0.392, 2.750
x = 1.047, 5.236

15. x = -3.60, -2.13, 1.29
x = 1.87, 3.19, 4.34

16. x = 0.75, 1.99
x = 0.76, 1.34