12 Questions
What is the formula to find the measure of an angle in radians?
θ=s/r
What is the measure of a complete turn around the circle in radians?
2π radians
What is the name given to angles that share the same starting and ending positions but have different measures?
Coterminal angles
What is the ratio of side lengths for a 45°-45°-90° triangle?
1:1:1 times square root of 2
What is the range of values on the y-axis for the sine and cosine functions?
[-1,1]
What is the purpose of special triangles on the unit circle?
To aid in evaluating trigonometric functions with exact ratios
What is the definition of periodic phenomena?
Occurrences or relationships that display a repetitive pattern over time or space
What is the period of a periodic function?
The gap between repetitions of the function
What is the definition of an interval of increase?
A set of x-values from the lower to the maximum point
What is the definition of concavity?
When the rate of intervals of increase/decrease is changing
What is an angle in standard position?
An angle with its initial side parallel to the positive x-axis and its vertex at the origin
What is the average rate of change of a function?
The change in output divided by the change in input
Test your understanding of periodic phenomena, including periodic functions, periods, and key details of graphs. Learn about repetitive patterns in time and space, such as waves and clock hands. Review AP Precalculus Unit 3 notes and be prepared for your exam!
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