1. If f(x) = sinx, show that f(x + y)-f(x) = cos x siny - 2 sin x sin² 2 2Y-T

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter6: Applications Of The Derivative
Section6.3: Implicit Differentiation
Problem 2E
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1. If f(x) = sinx, show that f(x + y)-f(x) = cos x siny - 2 sin x sin²
n²1/1/2
2. Evaluate lim 2x-n
I COSX
2
dr
Transcribed Image Text:1. If f(x) = sinx, show that f(x + y)-f(x) = cos x siny - 2 sin x sin² n²1/1/2 2. Evaluate lim 2x-n I COSX 2 dr
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ISBN:
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