collinsaijalon7 collinsaijalon7

25-09-2018
Mathematics

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Type the correct answer in the box. Round your answer to the nearest hundredth. Point A lies on the circumference of the unit circle and is in the first quadrant. If the x-coordinate of the point is 0.12, its y-coordinate is

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sqdancefan sqdancefan

25-09-2018

The unit circle is defined by the equation

... x² + y² = 1

Then

... y = √(1 -x²) = √(1 -0.12²) = √0.9856

... y ≈ 0.99

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