Solving Equations Involving Multiple Angles: Using Trig Identities and Graph Transformations

Solving Equations Involving Multiple Angles: Using Trig Identities and Graph Transformations

Assessment

Interactive Video

Mathematics

9th - 10th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

This video tutorial covers solving trigonometric equations using transformations and the CAST diagram. It begins with an introduction to key concepts such as solving equations, using trig identities, and understanding graph transformations. The tutorial then demonstrates solving equations involving Cos 2 Theta and 2 sin 3 Theta, emphasizing the importance of graph transformations and the CAST diagram to find multiple solutions.

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3 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

Describe the process of using symmetry to find additional angles for sine and cosine functions.

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

What are the four solutions for Theta when solving the equation Cos 2Theta = root 3 / 2?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

How does the scale factor of a trigonometric function affect the number of solutions within a given range?

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