Question 512074: Please write the trig expression as an expression in "u" sin(cos^-1 u)
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! Please write the trig expression as an expression in "u" sin(cos^-1 u)
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Since cos = u = x/r, x = u and r = 1
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Then y = sqrt[1-u^2]
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So, sin = y/r = sqrt[1-u^2]
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Cheers,
Stan H.
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