4.1 Notes Day 1.notebook
December 06, 2016
Warm Up
Write down anything/everything you know about "trigonometry" as a table.
4.1 Radian and Degree Measure
DAY 1
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4.1 Notes Day 1.notebook
December 06, 2016
Quadrant Quadrant Quadrant Quadrant 2
4.1 Notes Day 1.notebook
December 06, 2016
Example 1: Sketch each angle.
***Standard Position
60°
225°
450°
***negative angles go _______________
­60°
­225°
­450°
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4.1 Notes Day 1.notebook
December 06, 2016
Coterminal Angles: share the same initial side, and the same terminal side
Example 2: What angle is coterminal with 135o?
***To find coterminal angles...add or subtract increments of 360o.
Example 3: Find the smallest negative and the smallest positive coterminal angles of:
a) 751o
b) ­122o
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4.1 Notes Day 1.notebook
December 06, 2016
Complementary Angles: Supplementary Angles: Example 4: Find the complement and supplement of:
***ONLY positive a) 25
o
answers!
b) 92o
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4.1 Notes Day 1.notebook
December 06, 2016
HOMEWORK
pg. 269 #21­33 (no 26)
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