tricky! Webmath is a math-help web site that generates answers to specific math questions and problems, as entered by a user, at any particular moment. The ability to do basic algebra is absolutely vital to successfully passing a calculus class. Depending on your instructor, the last few sections (. They do not think about ordinary problems: they just write down the answers). I hope that Ive accomplished this. The Chemistry of Solids: Metallic and Ionic Solids, Ionic Bonding and Lattice Energy, Other Types of Solids, Physical Properties of Solids, Phase Diagrams and Phase Changes. Inttan x,dx Show Solution To do this integral all we need to do is recall the definition of tangent in terms of sine and cosine and then this integral is nothing more than a Calculus I substitution. Inttan 3x,dx Show Solution The trick to this one is do the following manipulation of the integrand.

The exponent on the secant is even and so we can use the substitution (u tan x) for this integral. The integral is then, inttan 3x,dx frac12tan 2x - ln left sec x right c Note that all odd powers of tangent (with the exception of the first power) can be integrated using the same method we used in the previous example. The natural question then, is just what are the right circumstances? In general, when we have products of sines and cosines in which both exponents are even we will need to use a series of half angle and/or double angle formulas to reduce the integral into a form that we can integrate. Again, it will be easier to convert the term with the smallest exponent. Intfracsin 7xcos 4x,dx Show Solution If this were a product of sines and cosines we would know what. I provide tutoring and homework help in high school physics, general physics, and calculus based physics for engineers. Some Chemistry Topics that I Tutor: Basic Concepts of Chemistry: SI Units and unit conversions,.k.a. Be sure to check out our special CD Trigonometry offer below. Exponential functions, evaluation of exponential functions and some basic properties. There are also, in all likelihood, a few Algebra/Trig topics that do arise occasionally in a Calculus class that I didnt include.

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