Assorted Trig Topics Accelerated Math 3.

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Presentation transcript:

Assorted Trig Topics Accelerated Math 3

Coterminal Angles Angles which have the same initial (starting) and terminal (ending) sides. To find coterminal angles, think about going around the Unit Circle…. Ex. Find a coterminal angle for 90º

Ex. Find two coterminal angles, 1 pos. and 1 neg. for the given angle. b) θ =

Complementary: Supplementary: Two positive angles whose sum is 90º

Ex. Find…. 2. a) Complement to 65º b) Supplement to 188º c) Complement to d) Complement to

Reference angle: The acute angle formed by the terminal side of and the horizontal axis.

3. Determine the reference angle for each of the following angles.