November 25, 2013
Dear Parents & Students:
This is an information packet in which you will find details regarding what your child will be doing in
Pre-Calculus A during Trimester 2. Included are my guidelines for classroom behavior and grading
procedures.
Degree/Radian Conversion:
Pre-Calculus A Formulas
180
radians to degrees
radians
degrees to radians
Arclength:
radians
180
Given a circular sector with arclength (s), radian central angle ( ) , and radius (r) :
multiples of 360 / 2 radians.
Cotermin