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Trig Limits, Continuity, and Differentiability.notebook October 03, 2019 Some Limit Rules Before Beginning Trig Limits: 1. The limit of a constant is the constant 2. The limit of sum/difference is the sum/difference of the limits. Oct 78:35 AM 3. The limit of a constant times a function is the constant times the limit of the function. 4. The limit of product is the product of the limits. 5. The limit of a quotient is the quotient of the limits, provided the limit of the denominator is not 0. Oct 78:53 AM 1 Trig Limits, Continuity, and Differentiability.notebook October 03, 2019 Limits of Trigonometric Functions Before we begin, please make sure your calculator is in radian mode. Ex 1: Evaluate a. b. Ex 2 : Are there any values of c for which or does not exist? Explain. Oct 51:53 PM The Squeeze Theorem If two functions squeeze together at a particular point, then any function trapped between them will get squeezed to that same point. The Squeeze Theorem deals with limit values, rather than function values. In the graph below, the upper and lower functions have the same limit value at x = a. The middle function has the same limit value because it is trapped between the two outer functions. Suppose f(x) < g(x) < h(x) for all x in an open interval about a (except possibly at a itself). Further suppose Then, 2 Trig Limits, Continuity, and Differentiability.notebook October 03, 2019 Ex 3: https://www.khanacademy.org/math/apcalculusab/ablimitsnew/ab18/v/squeezesandwichtheorem Ex 4 : Evaluate a. b. Hint: Graph it :) These two limits will be used in conjunction with algebraic manipulation to evaluate all other trigonometric limits of the form 0/0. Oct 52:04 PM 3 Trig Limits, Continuity, and Differentiability.notebook October 03, 2019 Compute all the following limits without a calculator. (handout) Ex 5: Ex 6: Ex 7: Oct 711:31 AM Ex 8: Ex 9: Ex 10 : Oct 711:44 AM 4
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