Triangle Properties and Inverse Functions

The video tutorial covers the basics of trigonometry, focusing on identifying triangle parts and using trigonometric functions like sine to solve for unknown angles. It introduces the concept of inverse trigonometric functions and demonstrates how to use a calculator to find the inverse sine of a ratio, ultimately solving for an angle in a triangle.

What is the first step in solving a problem when the angle measure is not given?

• Memorize the angle

• Use a calculator

• Guess the angle

• Identify the sides of the triangle

Which side of the triangle is opposite to the right angle?

• Base

• Opposite

• Adjacent

• Hypotenuse

What is the opposite side in a right triangle?

• The side opposite the angle

• The base

• The longest side

• The side next to the angle

What is the opposite side in a right triangle?

• The side next to the angle

• The side opposite the angle

• The base

• The longest side

What is the opposite side in a right triangle?

• The side next to the angle

• The longest side

• The side opposite the angle

• The base

What does the mnemonic SOHCAHTOA help you remember?

• Trigonometric functions

• Types of triangles

• Steps in solving equations

• Names of angles

What is the first step in using trigonometric functions?

• Identify the sides

• Use a calculator

• Memorize the functions

• Guess the angle

What is the first step in using trigonometric functions?

• Guess the angle

• Use a calculator

• Memorize the functions

• Identify the sides

What is the first step in using trigonometric functions?

• Memorize the functions

• Guess the angle

• Use a calculator

• Identify the sides

Which trigonometric function is used when you know the opposite and hypotenuse?

• Cosine

• Tangent

• Sine

• Secant