Lesson 8 “Sine”ing and “Cosine”ing It Solidify Understanding
Rewrite each fraction in an equivalent form by performing any indicated operation and rationalizing the denominators, when appropriate.
Each point on the circle marks the end of a terminal ray in standard position. Label the measure of the angle of rotation at each position of the terminal ray. Angles will be in radians. Leave
Use the values in #11 to write the exact coordinates of the points on the circle. Be mindful of the numbers that are negative.
Find the arc length,
Use your calculator to find the following values.
Why are both of your answers negative?
Why are both of your answers positive?
Why is one answer positive and one answer negative?
Graph the equation. Plot