cot(x - y): = a Reciprocal Identity, and then use a Subtraction Formula. 1 cot(x - y) = COL(x) col(y) + 1 cot(y) - cot(x) 11 || tan a Reciprocal Identity, and then simplify the compound fraction. 1 1 + (cot(x)) (cot(y)) tan(x) - tan(y) + tan(x) tan(y) 1 cot(x) cot(x) cot(y) cot(y) - cot(x) cot(x) cot(y) 1 cot(y)
cot(x - y): = a Reciprocal Identity, and then use a Subtraction Formula. 1 cot(x - y) = COL(x) col(y) + 1 cot(y) - cot(x) 11 || tan a Reciprocal Identity, and then simplify the compound fraction. 1 1 + (cot(x)) (cot(y)) tan(x) - tan(y) + tan(x) tan(y) 1 cot(x) cot(x) cot(y) cot(y) - cot(x) cot(x) cot(y) 1 cot(y)
Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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