Trigonometric Functions and Angles

Trigonometric Functions and Angles

Assessment

Interactive Video

Mathematics

9th - 10th Grade

Practice Problem

Hard

Created by

Thomas White

FREE Resource

This video tutorial covers the basics of trigonometric ratios: sine, cosine, and tangent. It explains how to use these ratios to find missing angles in right-angled triangles when given two sides. The tutorial includes several example problems and practice exercises to reinforce the concepts. The video concludes with a summary and additional practice questions for viewers to try on their own.

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17 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary purpose of trigonometric ratios in right-angled triangles?

To find the area of the triangle

To find the missing angles and lengths

To determine the type of triangle

To calculate the perimeter

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which side of a right-angled triangle is always the longest?

Adjacent

Opposite

Base

Hypotenuse

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the 'opposite' side refer to in a right-angled triangle?

The longest side

The side next to the angle

The side opposite the right angle

The side opposite the angle in question

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which trigonometric ratio is represented by 'sin'?

Hypotenuse over Opposite

Opposite over Hypotenuse

Adjacent over Hypotenuse

Opposite over Adjacent

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the formula for cosine in a right-angled triangle?

Opposite over Hypotenuse

Adjacent over Hypotenuse

Opposite over Adjacent

Hypotenuse over Adjacent

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the tangent ratio, which sides are compared?

Hypotenuse and Adjacent

Opposite and Adjacent

Opposite and Hypotenuse

Adjacent and Hypotenuse

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If cos(x) = 8/10, what is the angle x to one decimal place?

60.0 degrees

53.1 degrees

45.0 degrees

36.9 degrees

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