Pre Calc unit 3 How to use sine to find the missing side of a triangle

Pre Calc unit 3 How to use sine to find the missing side of a triangle

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

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The video tutorial explains how to find the length of X using trigonometry. It begins by setting up a trigonometric equation with a given angle of 30 degrees and an opposite side of 5. The tutorial then demonstrates solving the equation by isolating X and using a calculator to find the value. It also provides guidance on ensuring the calculator is in the correct mode for degree calculations. The final result is calculated to be 10, and the tutorial concludes by confirming this result.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the trigonometric function used to relate the opposite side and hypotenuse in this problem?

Secant

Sine

Tangent

Cosine

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the value of the angle Theta used in the trigonometric equation?

60 degrees

45 degrees

30 degrees

90 degrees

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What operation is performed to remove X from the denominator in the equation?

Multiplication

Subtraction

Addition

Division

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the final expression for X after solving the equation?

X = 5 + sine(30 degrees)

X = sine(30 degrees) / 5

X = 5 / sine(30 degrees)

X = 5 * sine(30 degrees)

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which mode should the calculator be set to for this calculation?

Degree

Radian

Fraction

Scientific