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Trigonometric Functions and Applications

Trigonometric Functions and Applications

Assessment

Interactive Video

Mathematics

9th - 10th Grade

Practice Problem

Hard

Created by

Thomas White

FREE Resource

In this video, Van demonstrates how to use trigonometry to find missing sides of right triangles. The tutorial covers two examples: one using cosine to find an adjacent side and another using tangent. An alternative method using a different angle is also explored. The video concludes with a call to action for viewers to like and subscribe.

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12 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary focus of the video tutorial?

Using trigonometry to find a missing side of a right triangle

Finding the area of a triangle

Understanding the Pythagorean theorem

Solving quadratic equations

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When should you use sine, cosine, or tangent to find a missing side?

When you know one side and one acute angle

When you know all three sides

When you know the hypotenuse only

When you know two angles

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the hypotenuse in a right triangle?

The longest side of the triangle

The side adjacent to the right angle

The shortest side of the triangle

The side opposite the right angle

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the first example, which trigonometric function is used to find the missing side?

Sine

Secant

Cosine

Tangent

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the value of x when using cosine with a 34-degree angle and a hypotenuse of 25?

15.7

30.7

25.7

20.7

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What should you ensure about your calculator when solving trigonometric problems?

It is in degree mode

It is in basic mode

It is in scientific mode

It is in radian mode

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the second example, which trigonometric function is used to find the missing side?

Cotangent

Cosine

Tangent

Sine

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