Section 7.3 – Trigonometric Equations
Try these two:
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
x = 0.412, 2.730
Asymptote x = 0.464, 3.605
x = 0.392, 2.750 x = 1.047, 5.236
x = -3.60, -2.13, 1.29 x = 1.87, 3.19, 4.34
x = 0.75, 1.99 x = 0.76, 1.34