SOLUTION: sin:cos::1:3 find sin and cos

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Question 743081: sin:cos::1:3 find sin and cos
Answer by josgarithmetic(39630) About Me  (Show Source):
You can put this solution on YOUR website!
As if y%2Fx=1%2F3 and x%5E2%2By%5E2=1. Imagine the triangle, hypotenuse of 1. y=x%2F3, so
x%5E2%2Bx%5E2%2F9=1
x%5E2%281%2B1%2F9%29=1
x%5E2=9%2F10
x=
x=%283%2F10%29sqrt%2810%29 from which you can find y.