FST Ch 5 Review

Front

What is the sine function in trigonometry?

Back

The sine function, denoted as sin(x), is a trigonometric function that relates the angle of a right triangle to the ratio of the length of the opposite side to the length of the hypotenuse.

Front

What is the cosine function in trigonometry?

Back

The cosine function, denoted as cos(x), is a trigonometric function that relates the angle of a right triangle to the ratio of the length of the adjacent side to the length of the hypotenuse.

Front

What is the tangent function in trigonometry?

Back

The tangent function, denoted as tan(x), is a trigonometric function that relates the angle of a right triangle to the ratio of the length of the opposite side to the length of the adjacent side.

Front

What is the Pythagorean identity involving sine and cosine?

Back

Front

How do you find the sine of an angle if you know the cosine?

Back

Front

What is the relationship between degrees and radians?

Back

Front

Back

Front

What is the reference angle for 150°?

Back

The reference angle for 150° is 30°, as it is the acute angle formed with the x-axis.

Front

What is the value of sin(150°)?

Back

Front

What is the value of cos(150°)?

Back