Pre Calculus UNIT 2 Trigonometric Functions TEST

Front

What is the formula for calculating arc length in a circle?

Back

Arc Length = r * θ, where r is the radius and θ is the angle in radians.

Tags

CCSS.HSG.C.B.5

Front

How do you convert degrees to radians?

Back

To convert degrees to radians, multiply by π/180.

Tags

CCSS.HSF.TF.A.1

Front

What is the relationship between the diameter and radius of a circle?

Back

The radius is half of the diameter.

Tags

CCSS.7.G.B.4

Front

What is the area of a triangle given its three sides (a, b, c) using Heron's formula?

Back

Area = √[s(s-a)(s-b)(s-c)], where s = (a+b+c)/2.

Tags

CCSS.HSG.SRT.D.9

Front

What is the cosine function used for in modeling periodic motion?

Back

The cosine function models the horizontal position of an object in circular motion.

Front

How do you find the height of a kite using trigonometry?

Back

Height = string length * sin(angle of elevation).

Tags

CCSS.HSG.SRT.C.8

Front

What is the formula for the area of a triangle using base and height?

Back

Area = (1/2) * base * height.

Tags

CCSS.6.G.A.1

Front

What is the significance of the angle of elevation in trigonometry?

Back

The angle of elevation is the angle between the horizontal line and the line of sight to an object above the horizontal.

Tags

CCSS.HSG.SRT.C.8

Front

How do you calculate the distance from a point to a vertical object using trigonometry?

Back

Distance = height / tan(angle of elevation).

Tags

CCSS.HSG.SRT.C.8

Front

What is the formula for the circumference of a circle?

Back

Circumference = 2 * π * r, where r is the radius.

Tags

CCSS.7.G.B.4