University:
East Georgia State College
Course:
MATH 1113 | Pre-Calculus
Academic year:

2023
Views:

139

Pages:

2
Author:

5CelestialChronicle

........................................... Angles and Degree Measur Algebra 2 Honors Trig Notes 1 : e : ••••••••••••••••••••••••••••••••••••••••••• Drawing Angles When forming an angle on a coordinate plane, the fixed ray is called the form the hrmioc,../ An angle is in S+z,adllrd. Or r910 . The other ray is rotated about the vertex to S j d, jn i-b'(U $ j d..(_ oosibro if its vertex is at the and its initial sf;es lies On -t:fu_ pasi-b' Vl. y-a_ JC..f Positive angles move l!/;(J'Jt(,l' e.JocJLt,vlM (!,jow,JJS-t.. and negative angles move EXAMPLE 1 - Drawing Angles in Standard Position Draw the following angles in standard position. The swirls ARE necessary. ° ° b. 640 a. 135 \1� qo 0 l C. qo• -105 ° 1kt) d. t10 e. � of a counterclockwise revolution 5 u� 3(oO �\44 t/� I '-f '-! o - ,oro t. ?CJ Sketch each angle in standard position when n = 0, 1,2,and- 1 ° qo 60o + n · 180 ° (;o Lf 2- o l..70 Coterminal Angles In example 1 b, the angles 640 ° and 280 ° are called f'o/i:.rmiM. side. Jt:rrnLnaJ You can find multiple coterminal angles by tJ.dd.i of ala O" or 2 rr OJ or J because they share a Su h-lmcviJnultiples

Math Trigonometry Notes 1 Key

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