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Day 18
Lecture 15
for 3/03/2011
Problems involving
Inverse Functions
L14: From Last Time
You
should know
the
inverse
of
Sine, Cosine, Tangent &
Cotangent
.
We are
not covering
the
inverse
of
cosecant
or
secant
. And you know
if Mr. M isn’t covering it, its got to
be pretty “Jacked Up”.
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Recall (from slide L1405) that…
This leads to the
Inverse Trig. Properties / Identities:
In
Practice
one of
6 (ish)
things happen depending on the
1) Form of the problem, like:
Is the inverse on the inside or outside? Do the two functions match?
2) And what exactly x is?
Is x in the correct domain? Is it a variable? Is it a number we know?
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L15: The 6ish Inverse Problem Cases
This took me a while to make… I want you to
memorize
it.
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3
L15: Examples, Inverse on the Outside
Case 1
:
Case 3
:
Case 2
:
Case 3
:
Case 4
:
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L15: More Examples, Inverse on the Inside
Case 3.5
:
Case 5
:
Case 5
:
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This note was uploaded on 08/01/2011 for the course MAC 1114 taught by Professor Gentimis during the Spring '11 term at University of Florida.
 Spring '11
 Gentimis
 Algebra, Inverse Functions, Sine, Cosine, Tangent

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