12/5 Exam Review Math 4

Front

What is the formula to find the period of a sine or cosine graph?

Back

The period is given by the formula 2π/B, where B is the coefficient of x in the function.

Front

What is the value of m(4) if m(x) is a function that outputs 0 when x=4?

Back

m(4) = 0.

Front

What is the simplified form of sec^2(x) - tan^2(x)?

Back

The simplified form is 1.

Front

What is the domain of the function f(x) = 1/x?

Back

The domain is (-∞, 0) ∪ (0, +∞).

Front

What is the simplified form of 1/cos(x)?

Back

The simplified form is sec(x).

Front

What is the range of the sine function?

Back

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

Front

What is the Pythagorean identity involving sine and cosine?

Back

sin^2(x) + cos^2(x) = 1.

Front

What is the value of cos(0)?

Back

cos(0) = 1.

Front

What is the value of sin(90°)?

Back

sin(90°) = 1.

Front

What is the relationship between the angles in a right triangle?

Back

The sum of the angles in a right triangle is 180°, with one angle being 90°.