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Find R and theta with the coordinates (-3,7).

User Slindberg
by
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1 Answer

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"R" is the distance from the origin to the point.

R = √(-3² + 7²)

R = √(9 + 49)

R = √(58)

R = 7.62

tangent (Θ) = 7 / -3

Θ = arctan (7 / -3)

Θ = 113.2° counterclockwise from the x-axis

User Tonytonov
by
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