Evaluate Trigonometric Functions of Any Angle Using your unit circle, what is:
Evaluate Trigonometric Functions of Any Angle
cos θ = ( + ) sin θ = ( )
Evaluate Trigonometric Functions of Any Angle If the radius of your circle is not equal to one, you can find the sine and cosine of the angle with the following formulas and the Pythagorean theorem.
Evaluate Trigonometric Functions of Any Angle Find the six trig functions for θ. ( 4 , 3 ) θ
3
Algebra 2 CH 9.3 Evaluate Trigonometric Functions of Any Angle.notebook August 30, 2013
Evaluate Trigonometric Functions of Any Angle First find the length of the radius.
Evaluate Trigonometric Functions of Any Angle 5
r =
( 4 , 3 )
θ
Evaluate Trigonometric Functions of Any Angle What is tan(90o)?
Evaluate Trigonometric Functions of Any Angle 9.3 Evaluate Trigonometric Functions of Any Angle • unit circle
From the Unit Circle, the coordinates for 90o are (0, 1).