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OpenStudy (anonymous):
Convert(-5,π/4) to rectangular coordinates. A. (5√ 2/2,5√ 2/2) B. (√ 2/2,√ 2/2) C. (5√ 3/2,5/2) D. (-5√ 2/2,-5√ 2/2)
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OpenStudy (anonymous):
(-5, π/4) = (r, theta) (x, y) = (r cos theta, r sin theta) (x, y) = (- 5 * cos(pi/4), - 5 * sin(pi/4) ) (x, y) = ( - 5√2 / 2, -5√2 / 2)
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