Eng. Analysis (Mid-term #2)

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6 Terms

1
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cos (a + b) = ?

cos(a)cos(b) - or + sin(a)sin(b)

2
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sin (a + b) = ?

sin(a)cos(b) + cos(a)sin(b)

3
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tan (a + b) = ?

(tan(a) + tan(b)) / (1 - or + tan(a)tan(b))

4
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What are the strategies for evaluating the definition of the derivative?

Form a common denominator; expand, simplify, and factor; multiply by the conjugate base

5
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lim h → 0 (sinh)/h = ?

1

6
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lim h → 0 (cosh - 1)/h = ?

0