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September 2, 2014

September 2, 2014

Posted by **Natalie** on Sunday, April 7, 2013 at 1:38pm.

cos(arcsin(x))

- Precalculus with Trig -
**Reiny**, Sunday, April 7, 2013 at 3:47pmmake a sketch of a rightangled triangle

label the base angle Ø, then opposite side is x

hypotenuse is 1

then the adjacent side is √(1 - x^2)

so cos(arcsin(x)) = √(1-x^2)1

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