Ex 2
Solve: sin2x = 3cos2x
NOTES 7­3 Solving Trig Equations
* Goal is to isolate the trig function in the equation...
Ex 1 Solve the equation: √3csc x ­ 2 = 0
Nov 6­11:54 AM
Nov 6­11:58 AM
Ex 4 Solve the following on the interval [0, 2π)
2sec2 x + tan2x ­ 3 = 0
Ex 3
Solve: sec 4x = 2
Nov 6­11:59 AM
Nov 6­12:01 PM
1
Ex 5 Solve the following on the interval [0, 2π)
(use calculator)
2tan2 x + 7tanx ­ 15 = 0
HW 7­3 pg 564­567
3a,4b, 8, 13,18,19, 20,
24, 26, 30, 34, 44, 48, 53, 71
Nov 6­12:16 PM
Nov 15­11:37 AM
2