*EOC review Flashcard #2 Geometry* No Special Rights

Front

What is the cosine function used for in trigonometry?

Back

The cosine function is used to find the ratio of the adjacent side to the hypotenuse in a right triangle. It is also used to find the measure of an angle when the lengths of the sides are known.

Tags

CCSS.HSG.SRT.C.6

Front

What is the inverse cosine function (cos^-1) used for?

Back

The inverse cosine function is used to determine the angle whose cosine is a given value. It is essential for solving for angles in right triangles.

Tags

CCSS.HSF.TF.B.7

Front

How do you find the value of x in a geometric problem?

Back

To find the value of x, you typically set up an equation based on the properties of the shapes involved, such as angles, sides, or relationships between them.

Tags

CCSS.8.G.A.5

Front

What is the significance of finding HG in a geometric context?

Back

Finding HG often refers to determining the length of a segment or side in a geometric figure, which is crucial for solving problems related to area, perimeter, or angles.

Tags

CCSS.6.G.A.3

Front

How do you find a missing angle in a triangle?

Back

To find a missing angle in a triangle, use the fact that the sum of the angles in a triangle is always 180 degrees. Subtract the known angles from 180 to find the missing angle.

Tags

CCSS.8.G.A.5

Front

What is the formula for the height of an object using trigonometry?

Back

The height can be calculated using the formula: height = distance * tan(angle) when the angle of elevation is known.

Tags

CCSS.HSG.SRT.C.8

Front

What is the tangent function used for in trigonometry?

Back

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

Tags

CCSS.HSG.SRT.C.6

Front

What does it mean to estimate the height of an object using a diagram?

Back

Estimating height using a diagram involves using visual representations and known measurements to make an educated guess about the height of an object.

Tags

CCSS.2.MD.A.3

Front

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

Back

In a right triangle, the angles determine the ratios of the lengths of the sides, which can be expressed using sine, cosine, and tangent functions.

Front

How do you apply the Pythagorean theorem in geometry?

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 (a² + b² = c²).

Tags

CCSS.8.G.B.8