4.1-4.3

Radians

100

13Pi/6 -2Pi = Pi/6

What is the definition of radians?

200

135^o = 3Pi/4 rad

Why do we convert from degrees to radians?

300

Linear Speed

What is arc length over time?

400

Angular Speed

What is the central angel over time?

500

Pi/6

What is a positive angle?

Trigonometric Functions

100

Opp/Hyp

What is sin?

200

hyp/opp

What is cosecant?

300

Sin 30^o

What is 1/2?

400

tan 45^o

Is it 1?

500

Sin²(x) + cos²(x) = 1

Is it the Pythagorean ideals?

Complementary and Suplementary

100

-Pi/2 rad = -90^o

How do we convert from radians to degrees?

200

5Pi/9 + ___ = Pi

What is 4 Pi over 9?

300

Pi/3

Pi/2 - Pi/3 = __

Is the complementary Pi/6?

400

3Pi/4

Pi - 3Pi/4 = __

Is the supplementary radians include and Pi/4?

500

5Pi/3

Does it not have eighter a complementary and supplementary radian?

Unit Circle

100

s = r(theta)

What is arc length?

200

Pi/5

Does it land on quadrant 1?

300

11Pi/8

Does it land on quadrant 2?

400

-Pi/12

Does it land on quadrant 4?

500

-11Pi/9

Does it land on quadrant 2?

Right Triangles

100

90-degree angle

What is a right triangle/theta/the angle between 2 legs?

200

Hyp: Squ. root 5

Side1: 2

Side2: 1

Find the sin and cosecant of theta

What is sin=1/squ. root and csc=squ. root 5/1?

300

The side closest to theta.

What is the adjacent side?

400

c²=a²+b²

What is the Pythagorean theorem?

500

Cos theta=5/7

Find sine of theta

What is 2 square root of 6/7