Mixed Algebra 2 Flashcard

Front

What is sin 60 degrees?

Back

sin 60 = √3/2

Front

What does e^ln(x) equal for x > 0?

Back

e^ln(x) = x

Front

A function has an inverse if and only if it is one-to-one. True or False?

Back

True

Front

Which angles are coterminal to 30 degrees?

Back

Coterminal angles to 30 degrees include 390 degrees and 1110 degrees.

Front

What is x^(3/4) equivalent to?

Back

x^(3/4) = ∜x^3

Front

What is the definition of a one-to-one function?

Back

A function is one-to-one if it never assigns the same value to two different domain elements.

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 for sine and cosine?

Back

sin²(x) + cos²(x) = 1.

Front

What is the definition of a coterminal angle?

Back

Coterminal angles are angles that share the same terminal side, differing by multiples of 360 degrees.

Front

What is the value of cos 30 degrees?

Back

cos 30 = √3/2.