How to Find the Period and Amplititude of the Equation of Sine

The video tutorial covers the concepts of amplitude and period in sine and cosine functions. It explains how to find the amplitude as the absolute value and how to determine the period using the formula 2π divided by the coefficient B. The tutorial also clarifies the identification of the coefficient B, especially when dealing with fractions, and provides a method for simplifying fraction division. The video concludes with a discussion on input values and their coefficients.

What is the amplitude of a trigonometric function if the coefficient is -1/4?

• -1/4

• 1/4

• 1

• 0

How do you calculate the period of a trigonometric function?

• π divided by the coefficient

• 2π divided by the coefficient

• π times the coefficient

• 2π times the coefficient

In the expression 2x/3, what is the correct value of B?

• 2

• 3/2

• 3

• 2/3

What is the result of dividing 2π by 2/3?

• π

• 2π/3

• 3π

• 6π

When simplifying a fraction division, what operation is performed?

• Add the fractions

• Divide by the reciprocal

• Multiply by the reciprocal

• Subtract the fractions