EQ: How do you convert angle measures in

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Accel Precalc Unit #5:Introduction to Trigonometry Lesson #2: Converting Angle Measures EQ: How do you convert angle measures in radians to angle measure in degrees and vice-versa?

Converting angle measures:

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You studied this in the 10th grade course. Arc length --- portion of a circle enclosed by 2 radii where θ is the radian measure of the central angle. s = rθ You studied this in the 10th grade course.

*** angle already in radian measure Ex. Find the arc length given a radius of 8 in and a central angle of . *** angle already in radian measure

Ex. A circle has a radius of 4 inches Ex. A circle has a radius of 4 inches. Find the length of the major arc and the minor arc. Major Arc : Minor Arc :

ASSIGNMENT: textbook p. 292 – 293 #43 – 93 odd