Unit 4 Mid Review

Front

What is the value of sin 60 degrees?

Back

\(\frac{\sqrt{3}}{2}\)

Front

How do you find the long leg in a 30-60-90 triangle if the short leg is 4?

Back

Multiply 4 by \(\sqrt{3}\)

Front

Evaluate \(\sin 24^{\circ}\) using a calculator. Round to the 4th decimal place.

Back

0.4067

Front

What is the value of a if the options are 5, \(\sqrt{2}\), 5\(\sqrt{2}\), 2?

Back

5

Front

What is cos 34 degrees equivalent to?

Back

\(\sin 56^{\circ}\)

Front

What is the definition of a 30-60-90 triangle?

Back

A right triangle where the angles are 30 degrees, 60 degrees, and 90 degrees.

Front

What is the relationship between the sides of a 30-60-90 triangle?

Back

The lengths of the sides are in the ratio 1 : \(\sqrt{3}\) : 2.

Front

What is the sine function?

Back

The sine function of an angle in a right triangle is the ratio of the length of the opposite side to the length of the hypotenuse.

Front

What is the cosine function?

Back

The cosine function of an angle in a right triangle is the ratio of the length of the adjacent side to the length of the hypotenuse.

Front

What is the value of cos 60 degrees?

Back

\(\frac{1}{2}\)