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Solving a trigonometric equation with sine on both sides

Solving a trigonometric equation with sine on both sides

Assessment

Interactive Video

Mathematics, Information Technology (IT), Architecture

11th Grade - University

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

The video tutorial explains how to solve a trigonometric equation by isolating the sine variable and identifying solutions within the interval of 0 to 2π. It involves analyzing the unit circle to find when the sine of an angle equals -√2/2, leading to the determination of two specific angles as solutions.

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5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step taken to solve the trigonometric equation in the video?

Multiply both sides by 2

Add sine of X to both sides

Subtract sine of X from both sides

Divide both sides by 2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Within which interval are the solutions for the trigonometric equation found?

π/2 to 3π/2

π to 2π

0 to π

0 to 2π

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What value does the sine of the angle equal to in the problem?

√2/2

-√2/2

-1/2

1/2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many angles within the interval satisfy the equation?

One

Four

Three

Two

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the solutions to the trigonometric equation within the interval 0 to 2π?

π/4 and 3π/4

π/2 and 3π/2

π and 2π

5π/4 and 7π/4

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