SOLUTION: Without using a calculator or maths tables, construct the angle A such that sinA = 4/5

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Question 441821: Without using a calculator or maths tables, construct the angle A such that sinA = 4/5
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Without using a calculator or maths tables, construct the angle A such that sinA = 4/5
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sin = y/r
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On a coordinate system, draw a circle with radius = 5.
Plot a point on the circle where y = 4 in the 1st Quadrant.
Draw the angle.
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Cheers,
Stan H.