pre-calc radian/degree conversion
convert 40 degrees to radians
.689 or 2pi/9
convert 1.75 radians to degrees
100.268 degrees
find coterminal angles for 10 degrees
370, -350
find coterminal angles for 3pi/5
3pi/5, -7pi/5
feet in a mile
5280
area of a sector of a circle formula (theta has to be in radians)
a=1/2r^2(theta)
for a circle with radians, to find coterminal angles use the formula
angle(+-)2pi
for a circle with degrees, to find coterminal angles use the formula:
angle(+-)360
coterminal angle
angles that share a terminal side
how to convert degrees to radian
degrees x pi/180
for converting degrees to times ..
keep numbers before decimal the same then divide the decimal by 60 and then divide the decimal of the answer to the last question by 60
angles that create our quadrants are called
quadrantal angles
how to convert radians to degrees
radians x pi/180
arc length formula
s=r(theta)