Bell Work

Some text here about the topic of discussion

Describe in your own words, what is a reference angle?

#2

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#1

Reference Angle

• Measure of Terminal side to closest x axis

• Distance to x axis

• MUST be < 90 degree

• MUST be Positive

Finding Reference Angles

• The blue portion of graph is the original angle

• The red portion is reference angle

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Finding Reference angle by Quadrant

• Quadrant 1 - itself

• Quadrant 2 - 180 Degrees minus the angle

• Quadrant 3 - The angle minus 180 degrees

• Quadrant 4 - 360 minus the angle

Exit Ticket

Some text here about the topic of discussion

#2

In your own words, what is a reference angle?

#1