Asked by Rafael

(sinx)^(1/2)=cosx
x is between 0 and 90
What is sinx
Answered by Steve
sinx = cos^2x
sinx = 1-sin^2x
sin^2x + sinx - 1 = 0

now solve for sinx, and pick the positive solution.
Answered by Reiny
Hey, one of my favourite numbers.
sinx = .618033989..
which is the decimal part of the Golden Ratio !
Neat!
Answered by Steve
the nice thing about Ø is that

Ø-1 = 1/Ø
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