6.5 Trigonometric Equations
Name: ___________________
Objectives: Students will be able to solve trigonometric equations
using various methods.
Examples Find all solutions to each trig equation. Express answers in
both degrees and radians.
1.) sinx = 0
2.) tanx = -√3/3
3.) √3secx + 2 = 0
4.) 2cscx + 4 = 0
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Examples Find all solutions of each equation in the interval [0,2π).
1.) 2cos(x - π/4) + 1 = 0
2.) (2cosx + 1)(√3tanx - 1) = 0
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3.) 4cos2x = 1
4.) 3cos2x = sin2x
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5.) 2sin2x + cosx - 1 = 0
6.) 3sinx - 1 = 0 (Use your calculator.)
Assignment: Pages 611-612: 7 - 71 every other odd
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