Answer to Question #34744 in Trigonometry for Kristen Woods

Question #34744

Polar coordinates of Q are (26, 80). Which is x-axis of this point in rectangular system?

A. 4.51
B. 4.25
C. 5.21
D. 5.41

Expert's answer

x = r * cos (alpha) = 26 * cos(80) = 4.51
The answer is A.

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