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1) Decide on a position for the vectors; for example, place one of them along the x-axis (from left to right).

2) Making a drawing is sort of optional, but it helps visualize the problem. This might save you from making mistakes.

3) Convert both vectors to rectangular coordinates. The polar-->rectangular conversion, available on most scientific calculators, can help a lot with this.

4) Add the x-coordinate and the y-coordinate of both vectors separately.

5) Convert to polar coordinates (once again, using the corresponding function on your scientific calculator). One of the numbers given, in polar coordinates, is the magnitude of the vector; the other is the angle.

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