Aim: How do we convert radians to degrees and degrees to radians?

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Presentation transcript:

Aim: How do we convert radians to degrees and degrees to radians? Do Now: Find the exact values of a) b) c) d) HW: p.404 # 4,7 p.405 # 14,16,20 p.409 # 3,4,6,8,9

, Recall that then = Examples: Convert 30 to radians Convert 280 to radians

The rules for conversion of degree & radian Degree to radian Radian to degree Convert 75 to radian in terms of  36 Convert to degree

Convert into degree 1. 18 2. 72 3. 135 4. 330

Convert into radian 1. 240 2. 200 3. -396 4. 500

Find the exact value of 1. 2. 3. 4.

Find the exact value of 1. 5. If f(x) = cos3x, find a) a) 0 c) – 1 2. 3. 4. b) c) 5. If f(x) = cos3x, find a) a) 0 c) – 1 b) 0