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Unit 4: Trigonometric equations and identities
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About this unit
In this unit, you'll explore the power and beauty of trigonometric equations and identities, which allow you to express and relate different aspects of triangles, circles, and waves. You'll learn how to use trigonometric functions, their inverses, and various identities to solve and check equations and inequalities, and to model and analyze problems involving periodic motion, sound, light, and more.
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Practice مشق
- Evaluate inverse trig functionsGet 3 of 4 questions to level up!
Learn سیکھیے
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Practice مشق
- Solve sinusoidal equations (basic)Get 3 of 4 questions to level up!
- Solve sinusoidal equationsGet 3 of 4 questions to level up!
Learn سیکھیے
Practice مشق
- Interpret solutions of trigonometric equations in contextGet 3 of 4 questions to level up!
- Sinusoidal models word problemsGet 3 of 4 questions to level up!
Level up on the above skills and collect up to 400 Mastery points
Learn سیکھیے
Practice مشق
- Using the trig angle addition identitiesGet 3 of 4 questions to level up!
Practice مشق
- Find trig values using angle addition identitiesGet 3 of 4 questions to level up!
Level up on the above skills and collect up to 160 Mastery points
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Level up on all the skills in this unit and collect up to 700 Mastery points!