Solving Trig Equations day 2.notebook
January 30, 2013
Rules: 1. Put in terms of one function or factors
2. Set = 0
3. Factor
4. Solve
*note for sinxtanx = sinx; 0≤x<2π
do not divide by sinx; you lose the factor sinx = 0
Solve:
1. sinxtanx = sinx; 0≤x<2π
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Solving Trig Equations day 2.notebook
January 30, 2013
Solve: 4. sin2 x ­ sinx + 1 = cos2 x: 0≤x<2π Solve: 4cosxsinx ­ 2 sinx ­ 2√3cosx + √3 = 0
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Solving Trig Equations day 2.notebook
January 30, 2013
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