Review - Right Triangle Trig.

Front

What is a right triangle?

Back

A right triangle is a triangle that has one angle measuring 90 degrees.

Tags

CCSS.4.G.A.2

Front

What is the Pythagorean theorem?

Back

The Pythagorean theorem states that in a right triangle, the square of the length of the hypotenuse (c) is equal to the sum of the squares of the lengths of the other two sides (a and b): a² + b² = c².

Tags

CCSS.8.G.B.7

Front

What is the sine function in a right triangle?

Back

The sine function (sin) 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

What is the cosine function in a right triangle?

Back

The cosine function (cos) 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

What is the tangent function in a right triangle?

Back

The tangent function (tan) 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

How do you find the length of the hypotenuse using the sine function?

Back

To find the length of the hypotenuse (c), use the formula: c = opposite / sin(angle).

Tags

CCSS.HSG.SRT.C.8

Front

How do you find the length of the opposite side using the sine function?

Back

To find the length of the opposite side, use the formula: opposite = hypotenuse * sin(angle).

Tags

CCSS.HSG.SRT.C.8

Front

How do you find the length of the adjacent side using the cosine function?

Back

To find the length of the adjacent side, use the formula: adjacent = hypotenuse * cos(angle).

Tags

CCSS.HSG.SRT.C.8

Front

How do you find the length of the opposite side using the tangent function?

Back

To find the length of the opposite side, use the formula: opposite = adjacent * tan(angle).

Tags

CCSS.HSG.SRT.C.8

Front

How do you find the angle using the sine function?

Back

To find the angle, use the formula: angle = sin⁻¹(opposite / hypotenuse).

Tags

CCSS.HSG.SRT.C.8