Chapter 4-1 Radian and Degree Measure Advanced Math Notes Date:_______________.

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Presentation transcript:

Chapter 4-1 Radian and Degree Measure Advanced Math Notes Date:_______________

Angles: + angles - angles

Standard Position for Angles:

Coterminal Angles: 2 angles with the same intitial and terminal sides.

Greek Symbols used for angles: Alpha Beta Theta As well as uppercase A,B,C.

Radian Measure: 1 radian = measure of a central angle (θ), that intercepts an arc (s) = to the radius (r) of the circle.

Circumference of a circle:

Sketching and finding “coterminal” angles: Add or subtract 2  from angle 1.13    4

Complementary and Supplementary angles: ComplementarySupplementary

Examples: if possible, find the complement and supplement of the angles. A. 2  5 B.4  5