Trig Graphs Classwork Practice

Front

What is the equation of the function graphed if it resembles a cosine function with a horizontal stretch?

Back

y = cos(1/2x)

Front

In the function y=a*sin(bx - c)+d, which value represents a vertical shift?

Back

d

Front

How do you find the period of a sine or cosine graph?

Back

The period is found using the formula 2π/B.

Front

Identify the function: y=sinx or y=cosx if it starts at its maximum value.

Back

y=cosx

Front

Which equation represents a cosine function that is reflected over the x-axis?

Back

y= -cos(2x)

Front

What is the amplitude of the function y=3sin(x)?

Back

The amplitude is 3.

Front

What does the parameter 'b' in the function y=a*sin(bx) affect?

Back

The parameter 'b' affects the period of the sine function.

Front

What is the period of the function y=sin(4x)?

Back

The period is π/2.

Front

If a function has a vertical shift of 2 units upwards, what is the value of 'd' in y=a*sin(bx)+d?

Back

d = 2.

Front

What is the effect of changing 'a' in the function y=a*cos(x)?

Back

Changing 'a' affects the amplitude of the cosine function.