Trig Functions

Front

What is the sine function in relation to a right triangle?

Back

The sine function is defined as the ratio of the length of the opposite side to the length of the hypotenuse.

Tags

CCSS.HSG.SRT.C.6

Front

When should you use the sine function?

Back

You should use the sine function when you are given the length of the opposite side and the hypotenuse.

Tags

CCSS.HSG.SRT.C.6

Front

What is the cosine function in relation to a right triangle?

Back

The cosine function is defined as the ratio of the length of the adjacent side to the length of the hypotenuse.

Tags

CCSS.HSG.SRT.C.6

Front

When should you use the cosine function?

Back

You should use the cosine function when you are given the length of the adjacent side and the hypotenuse.

Tags

CCSS.HSG.SRT.C.6

Front

What is the tangent function in relation to a right triangle?

Back

The tangent function is defined as the ratio of the length of the opposite side to the length of the adjacent side.

Tags

CCSS.HSG.SRT.C.6

Front

When should you use the tangent function?

Back

You should use the tangent function when you are given the lengths of the two sides that are not the hypotenuse.

Tags

CCSS.HSG.SRT.C.8

Front

What is the relationship between sine, cosine, and tangent?

Back

Sine, cosine, and tangent are all trigonometric functions that relate the angles and sides of a right triangle.

Tags

CCSS.HSG.SRT.C.6

Front

What is the Pythagorean theorem?

Back

The Pythagorean theorem states that 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.

Tags

CCSS.8.G.B.8

Front

How can you find the length of a side in a right triangle using trigonometric functions?

Back

You can use the definitions of sine, cosine, or tangent to set up a ratio and solve for the unknown side.

Tags

CCSS.HSG.SRT.C.8

Front

What is the value of sine for a 30-degree angle?

Back

The value of sine for a 30-degree angle is 1/2.