Trigonometric Functions and Ratios

Trigonometric Functions and Ratios

Assessment

Interactive Video

Mathematics

9th - 10th Grade

Hard

Created by

Thomas White

FREE Resource

The video tutorial explains how to find angles when given an interval and a trigonometric ratio. It covers two examples: one using the sine ratio in the first quadrant and another using the tangent ratio in the fourth quadrant. The tutorial demonstrates how to use a calculator for inverse trigonometric functions and discusses converting degrees to radians.

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18 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main focus of this video tutorial?

Graphing linear functions

Finding angles using given intervals and trigonometric ratios

Calculating derivatives

Solving quadratic equations

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the first example, what is the given sine ratio?

0.1234

0.5678

0.4321

0.3210

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which trigonometric function is used to find the angle from the sine ratio?

Inverse cosine

Inverse sine

Inverse secant

Inverse tangent

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Where is the inverse sine button typically located on a calculator?

Above the sine key

Above the tangent key

Above the logarithm key

Above the cosine key

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the approximate angle found using the sine ratio 0.3210?

0.3268 radians

0.1234 radians

0.5678 radians

0.4321 radians

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the second example, what is the given tangent ratio?

Negative root 2 over 2

Negative root 3 over 3

Negative 1 over 2

Negative 1 over root 2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of unrationalizing the tangent ratio?

To make it a whole number

To convert it to a decimal

To change the sign of the ratio

To simplify the calculation

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