Trigonometry PRACTICE Test

Online Homework System Assignment Worksheet

6/21/18 - 4:52 PM

Name: ____________________________ Class: American Public University System - Precalculus (MATH111 C003 Win 18) (3u7gt5)

Class #: ____________________________ Section #: ____________________________ Instructor:Maple T.A. Administrator Assignment:PRACTICE TEST 10.1

Question 1: (1 point)

Convert the rectangular coordinates to polar coordinates , where is positive and is expressed in radians and in the interval .

Round both and to the nearest hundredth.

( ____________ ,____________ )

Question 2: (1 point)

Convert the rectangular coordinates to polar coordinates, , where is positive and is expressed in radians and in the interval .

( __________ , __________ )

Question 3: (1 point)

Convert the polar coordinates to rectangular coordinates.

( __________ ,__________ )

(− 2, − 3) (r, θ) r θ [0, 2π)

r θ

(− 2 , − 2)3‾√ (r, θ) r θ [0, 2π)

(13 , )5π3

Question 4: (1 point)

Choose the polar coordinates that correspond to the graph.

φ =

(a)( , )

(b)( , )

(c)( , )

(d)( , )

(e)( , )

(f) ( , )

Question 5: (1 point)

Plot the polar coordinates (−6, − ).

π 6

−3 7 π6 3 π6 3 − 7 π6 −3 π6 −3 − 7 π6 3 7 π6

5 π 3

(a)

(b)

(c)

(d)

Question 6: (1 point)

Plot the polar coordinates (−6, ).

(a)

(b)

(c)

4 π 3

(d)

Question 7: (1 point)

Plot the polar coordinates (5, ).

(a)

(b)

7 π 6

(c)

(d)

Question 8: (1 point)

Plot the polar coordinates (6, ).

π 2

(a)

(b)

(c)

(d)