Asked by Natalie
Rewrite the following expression as an algebraic expression in x:
cos(arcsin(x))
cos(arcsin(x))
Answers
Answered by
Reiny
make 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
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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