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Math Forum » Discussions » Education » math-teach

Topic: positive exponents
Replies: 7   Last Post: May 13, 1995 1:20 PM

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Forrest - John B.

Posts: 12
Registered: 12/6/04
Re: positive exponents
Posted: May 11, 1995 5:22 AM
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Beware of the ^-1 . It can cause a lot of confusion. For instance:

A) x^1 is 1/x

B) f^-1(x) is inverse of f(x)

The problem I thought I'd run into in the classroom, which has
NOT occurred, is the confusion of sin^-1(x)---that is, arcsin(x)---with
1/sin(x)---that is, csc(x).


John

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