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A Special Case of the Sum of Two Cosines
This Demonstration illustrates the formula
.
Contributed by:
Izidor Hafner
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Trigonometric Addition Formulas
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"
A Special Case of the Sum of Two Cosines
" from
the Wolfram Demonstrations Project
http://demonstrations.wolfram.com/ASpecialCaseOfTheSumOfTwoCosines/
Contributed by:
Izidor Hafner
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