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After the axes turn through 180°, the point (3, -5) has coordinates
A(5, -3)
B(-3, 5)
C(3, -5)
D(-5, 3)
Answer & Solution
Correct answer: B. (-3, 5)
At θ = 180°, cosθ = -1 and sinθ = 0, so both coordinates change sign.
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