Trig Ratios, Sides, & Angles

Front

What is the sine function used for in trigonometry?

Back

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

Tags

CCSS.HSG.SRT.C.6

Front

What is the mnemonic to remember trigonometric ratios?

Back

Soh Cah Toa.

Tags

CCSS.HSG.SRT.C.6

Front

If you know the opposite side and hypotenuse, which trig function do you use?

Back

Sine.

Tags

CCSS.HSG.SRT.C.6

Front

If you know the adjacent side and hypotenuse, which trig function do you use?

Back

Cosine.

Tags

CCSS.HSG.SRT.C.6

Front

If you know the opposite side and adjacent side, which trig function do you use?

Back

Tangent.

Tags

CCSS.HSG.SRT.C.6

Front

What is the cosine function used for in trigonometry?

Back

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

Tags

CCSS.HSG.SRT.C.6

Front

What is the tangent function used for in trigonometry?

Back

The tangent function is used to find the ratio of the length of the opposite side to the length of the adjacent side in a right triangle.

Tags

CCSS.HSG.SRT.C.6

Front

How do you find the measure of an angle using trigonometric ratios?

Back

You can use the inverse trigonometric functions (arcsin, arccos, arctan) to find the measure of an angle.

Tags

CCSS.HSG.SRT.C.8

Front

What is the relationship between the sides of a right triangle and its angles?

Back

The lengths of the sides of a right triangle are proportional to the sine, cosine, and tangent of its angles.

Tags

CCSS.HSG.SRT.C.7

Front

What is the Pythagorean theorem?

Back

In a right triangle, the square of the hypotenuse is equal to the sum of the squares of the other two sides (a² + b² = c²).

Tags

CCSS.8.G.B.8