2024 Precalculus Fall Final

Front

What is 360 degrees in radians?

Back

2π

Front

cotθ = ?

Back

cosθ/sinθ

Front

If the equation of a graph is y = x² + 4, what kind of graph does it create?

Back

Parabola

Front

What is sec²x − 1 equal to?

Back

tan²x

Front

What is sin 45°?

Back

√2/2

Front

What is the definition of a radian?

Back

A radian is the angle subtended at the center of a circle by an arc equal in length to the radius of the circle.

Front

What is the Pythagorean identity for sine and cosine?

Back

sin²x + cos²x = 1

Front

What is the formula for the area of a circle?

Back

A = πr², where r is the radius.

Front

What is the definition of a function?

Back

A function is a relation that assigns exactly one output for each input.

Front

What is the quadratic formula?

Back

x = (-b ± √(b² - 4ac)) / (2a) for the equation ax² + bx + c = 0.