SOLUTION: Use an algebraic method to eliminate the parameter and identify the graph of the parametric curve. Use a grapher to support your answer. x=18 cosine t​, y=18 sine t please in

Algebra ->  Trigonometry-basics -> SOLUTION: Use an algebraic method to eliminate the parameter and identify the graph of the parametric curve. Use a grapher to support your answer. x=18 cosine t​, y=18 sine t please in      Log On


   



Question 1132564: Use an algebraic method to eliminate the parameter and identify the graph of the parametric curve. Use a grapher to support your answer.
x=18 cosine t​, y=18 sine t
please include the rectangular equation
Thank you!

Answer by ikleyn(52803) About Me  (Show Source):
You can put this solution on YOUR website!
.
x%5E2+%2B+y%5E2 = 18%5E2%2A%28cos%5E2%28t%29+%2B+sin%5E2%28t%29%29 ,  


x%5E2+%2B+y%5E2 = 18%5E2


This figure is the circle of the radius 18 centered at the origin of the coordinate system.

Answered, solved, explained and completed.