Learn how to simplify a trig expression by factoring out a GCF

Learn how to simplify a trig expression by factoring out a GCF

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

Created by

Quizizz Content

FREE Resource

The video tutorial explains how to simplify trigonometric expressions using algebraic techniques and trigonometric identities. It emphasizes the importance of simplifying expressions to a single number or trigonometric function. The tutorial covers algebraic methods like factoring and using the distributive property, and introduces the Pythagorean identity to aid in simplification.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary goal when simplifying trigonometric expressions in this lesson?

To expand them into larger expressions

To eliminate all trigonometric functions

To simplify them to a single number or trigonometric function

To convert them into algebraic expressions

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which algebraic skill is NOT mentioned as necessary for simplifying trigonometric expressions?

Using the distributive property

Combining fractions

Factoring

Solving quadratic equations

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What should you do if you have trouble simplifying trigonometric expressions?

Ignore the problem and move on

Convert them into exponential functions

Replace trigonometric functions with variables like X and Y

Use a calculator to find the answer

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the Pythagorean identity used in the example?

sine squared plus cosine squared equals zero

sine squared plus cosine squared equals one

sine squared minus cosine squared equals one

sine squared times cosine squared equals one

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the example, what is the result of factoring out sine of Theta?

sine of Theta times zero

sine of Theta times one

sine of Theta times cosine squared

sine of Theta times sine squared