QED Insight (Santo D’Agostino)

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 How does the value of an inverse cosine function change when the unit of its argument changes?
 Why do Airplanes Fly?
 New Online Tutoring Site: QED Infinity
 “Religious Right’s Rejection of Science is Baffling,” by David Suzuki
 The Day Niagara Falls Ran Dry
 “A Lesson in Teaching to the Test, From E.B. White,” by Anne Stone and Jeff Nichols
 “Student Learning Can Only Be Described, Not Measured,” by Rog Lucido
 A Neat Trick For Determining The Integrals Of exp(x) cos x And exp(x) sin x
 “No Student Left Untested,” by Diane Ravitch
 Confusing Use Of Numbers: BestBefore Dates
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Tag Archives: difference equation
An Amusing (And Instructive) Error I Made While Solving A Recurrence Relation
One way to specify a sequence of numbers is recursively; that is, the first one or more terms in the sequence are stated, and then a formula for the general term of the sequence is given in terms of one … Continue reading