Finding the solutions to a trigonometric equation

Finding the solutions to a trigonometric equation

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

Created by

Quizizz Content

FREE Resource

The video tutorial explains solving trigonometric equations using inverse operations and the zero product property. It emphasizes understanding the unit circle and reference angles to find solutions. The instructor guides through setting up the problem, factoring, and applying mathematical properties to determine solutions. The session concludes with clarifications and addressing student queries.

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7 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in solving a trigonometric equation with multiple terms?

Divide by the highest coefficient

Set the equation to zero and factor

Add all terms to one side

Multiply all terms by a constant

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What property is used when the product of two expressions equals zero?

Distributive Property

Commutative Property

Zero Product Property

Associative Property

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you determine when tangent equals ±1 using the unit circle?

By finding angles where sine equals zero

By identifying angles with equal x and y coordinates

By calculating the cosine of the angle

By using the Pythagorean identity

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which angle is not a solution when tangent equals 1?

π/4

7π/4

3π/4

5π/4

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a reference angle for π/4?

3π/4

π

π/2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the angles where sine equals zero?

π/3 and 2π/3

π/4 and 5π/4

0 and π

π/2 and 3π/2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the complete set of solutions for the equation within [0, 2π]?

π/6, 5π/6, 7π/6, 11π/6

π/3, 2π/3, 4π/3, 5π/3

π/4, 3π/4, 5π/4, 7π/4

0, π/2, π, 3π/2