Sine/Cosine Graph

Which equation represents the graph?

Write a cosine function that has a midline of 3, an amplitude of 4 and a period of 4.

Determine the period of the following trigonometric function.
f\left(x\right)=\cos\left(\frac{6\pi x}{7}+\frac{\pi}{2}\right)

Which function represents the graph?

• f(x) = 3 sin x

• f(x) = 3 cos x

• f(x) = sin ( ⅓ x)

• f(x) = sin (3 x)

f(x) = 3 sin x f(x) = 3 cos x f(x) = sin (3 x) f(x) = cos (3 x)

• f(x) = 3 sin x

• f(x) = 3 cos x

• f(x) = sin (3 x)

• f(x) = cos (3 x)

What is the equation of this graph?

• y=cos2x

• y=2sin2x

• y=2cos2x

• y=2sinx

What is the equation of graph? 

• y = sin (5x)

• y =  cos( 5x)

• y = 5 sin(x)

• y = 5 cos (x) 

What is the period of
y= 4 cos (5x)

• 2π/5

• π

• 5

• 5π

Write the equation for a sine function with an amplitude of 6 and a period of π/4.

• y=6sin(8x)

• y=6sin8(x-1)

• y=6sin1/4x

• y=6sinx