Tutorial for solving a trig equation with half angle and sine

Tutorial for solving a trig equation with half angle and sine

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

Created by

Quizizz Content

FREE Resource

The video tutorial explains how to solve equations involving Theta, particularly focusing on solving for Theta divided by two. It highlights the importance of understanding when Theta is inside a function and the steps to solve such equations. The tutorial also covers finding solutions within specific constraints, ensuring the angles are between 0 and 2π. The process involves adding, dividing, and multiplying to isolate Theta, and checking solutions against the unit circle to ensure they fit within the constraints.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in solving the trigonometric equation involving Theta divided by two?

Add one to both sides

Divide both sides by three

Multiply both sides by two

Subtract one from both sides

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

After taking the square root in the equation, what is the next step?

Subtract two from both sides

Multiply by three

Determine the sine of Theta divided by two

Find the cosine of Theta

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it important to not worry about Theta divided by two until the end?

It simplifies the equation

It is irrelevant to the solution

It is only a placeholder

It is addressed after solving for Theta

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What must be done to solve for Theta after finding solutions for Theta divided by two?

Subtract π from each solution

Multiply by two

Add π to each solution

Divide by two

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the constraint for the solutions of Theta in this problem?

Between 0 and π

Between 0 and 2π

Between π and 2π

Between -π and π