Trig Graphs

Front

What value on the unit circle represents sine?

Back

y

Front

Find cotΘ if sinΘ = 3/5.

Back

cotΘ = 4/3

Front

What is the amplitude of the function y = 4sin(10x)?

Back

Amplitude = 4

Front

What is the period of the function y = 4sin(10x)?

Back

Period = π/5

Front

What is the period of a sine wave with a time period of 40 seconds?

Back

Period = 40 sec

Front

Calculate the orbital speed for an object with a radius of orbit of 500 metres and a time period of 10 seconds.

Back

Orbital speed = 314 m/s

Front

What is the relationship between sine and cosine on the unit circle?

Back

sin(θ) = y-coordinate, cos(θ) = x-coordinate.

Front

What is the formula for the period of a sine function?

Back

Period = 2π / frequency.

Front

What does the amplitude of a sine wave represent?

Back

The maximum height from the midline.

Front

How do you find the cotangent of an angle?

Back

cotΘ = cosΘ / sinΘ.