Honors Trig./Pre-Calc: Sections 4.1 & 4.2 Quiz

360° = 2π radians

360° = ____________radians

ω = θ/t

Angular speed

cos = x

Cosine

s = r x θ

Formula for finding arc length

A = 1/2 x r² x θ

Formula for finding the area of a sector of a circle

csc = 1/y

cosecant

cot = x/y

cotangent

counterclockwise positive angle

counterclockwise --> ____________ angle

θ = s/r

formula for radian

V = r x ω

formula relating linear speed to angular speed

π/2

If two positive angles are complementary, their sum is ____

π

If two positive angles are supplementary, their sum is ______

V= s/t

Linear speed equation

π radians / 180°

To convert from degrees to radians, the conversion factor is __________________.

180° / π radians

To convert from radians to degrees, the conversion factor is __________________________.

arc length

What does S stand for?

clockwise negative angle

clockwise ---> ________________ angle

sec = 1/x

secant

sin = y

sine

tan = y/x

tangent