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July 25, 2014

Homework Help: Trigonometry (repost Reiny)

Posted by anon on Thursday, March 3, 2011 at 6:34pm.

at 1:35am

I posted ;

Write equivalent equations in the form of inverse functions for
a.)x=y+cos theta
b.)cosy=x^2

my answers were
a.)
x= y+ cos theta
cos theta = x-y
theta = cos^-1(x-y)


b.)
cosy=x^2
cos(y) = x^2
y = Cos^-1(x^2)


your post confused me a little. Can you clarify if my answers were wrong.

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