Trig Functions Exam

Front

What is the value of sin⁻¹(3/8) to two decimal places?

Back

0.38

Front

What is the amplitude of the function y = sin(x - π/4) + 1?

Back

1

Front

What is the value of cos⁻¹[cos(2π/5)]?

Back

2π/5

Front

What trig function is shown in the graph?

Back

Cosine

Front

What is the amplitude of the function y = 5 sin(πx)?

Back

5

Front

Define the sine function in terms of a right triangle.

Back

In a right triangle, the sine of an angle is the ratio of the length of the opposite side to the length of the hypotenuse.

Front

What is the range of the sine function?

Back

The range of the sine function is [-1, 1].

Front

What is the period of the cosine function?

Back

The period of the cosine function is 2π.

Front

Define the tangent function in terms of sine and cosine.

Back

The tangent function is defined as tan(x) = sin(x)/cos(x).

Front

What is the amplitude of the function y = 3 cos(2x)?

Back

The amplitude is 3.