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.
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Triangle
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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
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Use the values in #11 to write the exact coordinates of the points on the circle. Be mindful of the numbers that are negative.
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Find the arc length,
Use your calculator to find the following values.
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Why are both of your answers negative?
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Why are both of your answers positive?
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Why is one answer positive and one answer negative?
Graph the equation. Plot