Calculator Activity

COORDINATE CONVERSIONS

OBJECTIVE: To convert from polar coordinates to rectangular coordinates and vice versa.

Apoint on a circle can be described with rectangular coordinates (x, y) or polar coordinates (r,) , where r is the radius of the circle and is the angle counterclockwise from the positive x-axis.

(r,)

1.While in degrees convert the rectangular coordinates (1,1) to polar coordinates.

STEP 1: Set the angular units to degrees by pressing

.

STEP 2: Enter 1,1 by pressing .

STEP 3: Convert to polar coordinates by pressing .

2.While in radians convert the polar coordinates of (22,60) to rectangular coordinates.

STEP 1: Set the angular units to radians by pressing

.

STEP 2: Enter 22,60 by pressing

.

STEP 3: Convert to rectangular coordinates by pressing .

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