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1.3 Angles in the Coordinate Plane

# 1.3 Angles in the Coordinate Plane - coordinate plane and...

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Agenda: 0. Please pick up a whiteboard on the stool as you come in! 1. Homework Roll 2. Whiteboard Work (is this color better than this one? ) 3. Lesson: 1.3 Angles in the Coordinate Plane ____________________________________ Homework Roll Roll HW# 1,2,3 1 4,5,6 2 ____________________________________ Whiteboard Work (Yes, on your whiteboard. You did remember your pen, correct?) Find the distance between the given pair of points. ____________________________________ Lesson: 1.3 Angles in the Coordinate Plane Measure angles in rotations and degrees 1. Find the measures of coterminal angles 2. Goals: DOD (Definitions of the Day) Angle: Union of two rays with a common endpoint (vertex of an angle) 1.3 Angles in the Coordinate Plane Monday, August 23, 2010 5:29 AM Ch_1 Page 1

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Angle in Standard Position: Position when the vertex of the angle is the origin of the

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Unformatted text preview: coordinate plane and its initial side coincides with the positive x-axis. Degree: One unit of angle measure. One full counterclockwise rotation measures 360 ͦ Coterminal Angles: Angles in standard position who share the same terminal side. Ch_1 Page 2 ________________________________________ Examples Find the degree measure of the angle for each rotation. 1/4 rotation, counterclockwise 2/5 rotation, clockwise. ________________________________________ Find the measure of the angle coterminal with angle BOC under the given rotation from the position of ray OC. Two clockwise rotations a. Three counterclockwise rotations b. ________________________________________ Given ± ² ³ ´ ±² µ ¶·¸ ¹ º»¸³ , find: g(-1) a. g(1/2) b. Ch_1 Page 3 g(1/2) b. Ch_1 Page 4...
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