Precalculus Final Exam 2024

Front

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

Back

33.47

Front

Change to Exponential Form: log_6 36 = 2

Back

6^2 = 36

Front

Find the value of c (little c) if a = 18, b = 22, and C = 24°

Back

9.19

Front

What is sin(7π/6)?

Back

-1/2

Front

If u = 〈 -4, -12〉, find: 8u

Back

〈 -32, -96 〉

Front

What is the Law of Sines?

Back

The Law of Sines states that the ratio of the length of a side of a triangle to the sine of the angle opposite that side is constant for all three sides and angles.

Front

Define a logarithm.

Back

A logarithm is the exponent to which a base must be raised to produce a given number.

Front

What is the Pythagorean theorem?

Back

In a right triangle, the square of the length of the hypotenuse is equal to the sum of the squares of the lengths of the other two sides.

Front

What is the formula for the area of a triangle?

Back

Area = 1/2 * base * height.

Front

What is the unit circle?

Back

The unit circle is a circle with a radius of 1 centered at the origin of the coordinate plane, used to define trigonometric functions.