- Ti Nspire CX CAS gives d/dx of tan(x) as 1/cos^2x when it should be sec^2x. Why is this happening?

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How does Patricia mountain compare to Patricia Hill? A couch and coffee table cost a total of $1192 The cost of the couch is three times the cost of the coffee table. Find the cost of each item? How many Harry & David Milk chocolate-covered cherries is in 6 oz.? Am i the only one that thinks juiceworld faked his death? At what angle (in degrees) does first-order diffraction from layers of atoms 189.8 pm apart occur, using x rays with a wavelength of 204 pm?