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3 days ago · Learn about the equalities that involve trigonometric functions and are true for every value of the variables. Find the Pythagorean, reciprocal, reflection, shift, periodicity, angle sum and difference, and Ptolemy identities with examples and proofs.
3 days ago · The following is a list of significant formulae involving the mathematical constant π. Many of these formulae can be found in the article Pi, or the article Approximations of π. Euclidean geometry. where C is the circumference of a circle, d is the diameter, and r is the radius. More generally,
1 day ago · The prime number theorem describes the asymptotic distribution of the prime numbers among the positive integers. It states that the prime-counting function π(x) is asymptotically equivalent to x / log (x), where log is the natural logarithm.
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2 days ago · Sigma Delta Pi, the National Collegiate Hispanic Honor Society, or La Sociedad Nacional Honoraria Hispánica is a member of the Association of College Honor Societies and the biggest collegiate foreign language honor society in the United States. It is the only honor society devoted exclusively to students of Spanish in four-year colleges and universities.
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1 day ago · By inserting the definition of the Fourier transforms on the R.H.S., exchanging the order of integration and using the \(\delta \) functions, one can readily check this important result. One can note that the L.H.S. resembles a scalar product \(\sum _{i}\alpha _{i}\beta _{i}^{*},\) where the discrete index i is replaced by a continuous one, and a similar interpretation is possible for the R.H.S.
4 days ago · Delta Sigma Pi opened to women in 1975, distinguishing it also as the nation’s first co-ed business fraternity. In its first four decades at Pacific, Lambda Mu initiated more than 900 members. Co-chaired by Greg Howell ’90, Jim Dugoni ’86 and Lauren Short ’11, the reunion will bring together business alumni and current students alike.
1 day ago · Find high-quality, custom-designed Delta Sigma Pi jewelry and more. Mecca. Show your Deltasig pride with apparel, accessories, and more. Fraternal Composite Service. Get your chapter handcrafted picture composites at a great rate. C.C. Creations. C.C. Creations has partnered with Delta Sigma Pi to offer nametags to members. Deltasig Marketplace
5 days ago · Celebrate the holidays in style with this stunning Alpha Delta Pi sorority ornament. Featuring a beautiful blue chinoiserie toile design and an elegant bow, it’s the perfect addition to any ADPi sister’s holiday decor. A thoughtful gift for big/little reveals, ...
3 days ago · A comprehensive list of social collegiate organizations in North America, with their symbols, charter dates, scopes, affiliations, traditional emphases, and statuses. See the crests and mottoes of various fraternities and sororities, such as Alpha Phi Alpha, Delta Kappa Epsilon, and Zeta Phi Beta.
