Solving trigonometric equation by using reciprocal function

Solving trigonometric equation by using reciprocal function

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

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The video tutorial explains how to solve for X within the interval of 0 to 2π by isolating the cosecant function and using the unit circle. It covers the relationship between trigonometric functions and their reciprocals, focusing on finding when the sine value equals sqrt 3/2. The tutorial concludes with a discussion on interval restrictions and potential variations in problem conditions.

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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 for X within the range of 0 to 2π?

Subtract two from both sides

Evaluate the sine function

Isolate the cosine function

Multiply by sqrt 3

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is the cosecant function related to the sine function?

Cosecant is the square of sine

Cosecant is the reciprocal of sine

Cosecant is the inverse of cosine

Cosecant is the tangent of sine

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the cosine of an angle on the unit circle represent?

The cosecant of the angle

The tangent of the angle

The Y coordinate of the point

The X coordinate of the point

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which values of X satisfy the condition where the sine value equals sqrt 3 / 2?

X = π/6 and 5π/6

X = π/3 and 2π/3

X = π/4 and 3π/4

X = π/2 and 3π/2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why are only certain points on the unit circle considered for solutions?

Because they are in the first quadrant

Because they are within the interval of 0 to 2π

Because they have positive sine values

Because they are in the second quadrant