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Course: Trigonometry?>?Unit 4
Lesson 2: Sinusoidal equations- Solving sinusoidal equations of the form sin(x)=d
- Cosine equation algebraic solution set
- Cosine equation solution set in an interval
- Sine equation algebraic solution set
- Solving cos(¦È)=1 and cos(¦È)=-1
- Solve sinusoidal equations (basic)
- Solve sinusoidal equations
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Solve sinusoidal equations (basic)
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Problem
Jamie tried to solve the following equation, where is in radians to the nearest hundredth, in the interval from to , but she made a mistake.
Here is Jamie's work.
The solutions toin the interval from to are and .
What was Jamie's mistake?