Angles and Unit Circle
Graphing, Identities, and Solving
Non Right Triangles and Vectors
Values on Unit Circle
Extra Credit
100

How do you convert from Radians to Degrees?

What is multiply by 180/π?

100

What is the y-intercept of the parent sine graph?

What is (0,0)?

100

What does ||x|| mean?

What is the magnitude of a vector?
100

What is the sin of 330°?

What is -1/2?

100

What is the quadratic formula?

What is x=(-b+-√b²-4ac) / 2a

200

How do you convert from degrees to radians?

What is multiply by π/180?

200

What is the y-intercept of the parent cosine graph?

What is (0,1)?

200

How do you find the direction of a vector?

What is... you find the angle inside the triangle, then subtract the angle of the quadrant you are in. (Ex. if the vector is facing SW, and the angle in the triangle is 30 degrees, you would do 270-30 to find the direction.)
200

What is the sec of 225°?

What is -√2

200

What does the symbol for an imaginary number?

What is i?

300

How do you find the sin, cos, and tan on a unit circle?

What is Cos = x, Sin = y, and Tan = y/x?
300

What are the quotient identities?

What is

Tan θ = sinθ/cosθ

Cot θ = cosθ/sinθ

300

Complete the formula: 

b² = ____ + c² - (2(ac)cos ___)

What is a² and B?

300

What is the tan of 60°?

What is √3

300

Simplify: ln(4)/ln(10)

What is ln(4)

400

How do you find sec, csc, and cot on a unit circle?

What is Sec = 1/x, Csc = 1/y, and Cot = x/y?

400

What are the Pythagorean identities?

What is

sin²Θ+cos²Θ=1

1+cot²Θ=csc²Θ

tan²Θ+1=sec²Θ

400

How do you find sin, cos, and tan on a triangle?

What is

Sin = Opposite/Hypotonus

Cos = Adjacent/Hypotonus

Tan = Opposite/Adjacent

400

What is the cos of 210°?

What is -√3/2

400

Is this sequence geometric or arithmetic: 5, -7, -19, -31

What is arithmetic?

500

How do you find arc length?

What is (n/360)*(2πr)?

500

What are the reciprocal identities?

What is

Sin Θ = 1/cscΘ

Cos Θ = 1/secΘ

Tan Θ = 1/cotΘ

Csc Θ = 1/sinΘ

Sec Θ = 1/cosΘ

Cot Θ = 1/tanΘ

500

How do you subtract two vectors?

What is...

you keep the first vector the same then flip the second vector and add them?

500

What is the csc of 360°?

What is undefined

500

Solve:


20

Σ  5n+3 

n=1   

What is 1110?