Precalculus Final Exam Review 2024

Front

What is the direction of the vector <0, 4>?

Back

90°

Front

Simplify cos(50)cos(30) - sin(50)sin(30).

Back

cos(80)

Front

Convert 165° into radians.

Back

2.88

Front

Find the measure of angle B if a = 19, b = 12, c = 10.

Back

33.47

Front

Factor the expression 3v² - 4v - 7.

Back

(3v-7)(v+1)

Front

What is the formula for converting degrees to radians?

Back

Radians = Degrees × (π/180)

Front

What is the Law of Cosines?

Back

c² = a² + b² - 2ab * cos(C)

Front

What is the Pythagorean Theorem?

Back

a² + b² = c², where c is the hypotenuse.

Front

What is the sine of an angle in a right triangle?

Back

Opposite side / Hypotenuse

Front

What is the cosine of an angle in a right triangle?

Back

Adjacent side / Hypotenuse