Use the law of cosines to determine the length x in each figure. Leave your answers in terms of radicals. (a) 8 cm 60 15 cm

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...
Question
Use the law of cosines to determine the length x in each figure. Leave your answers in terms of radicals.
(a)
8 cт
60
15 cm
X =
cm
(b)
X
8 cm
120°
15 cm
X =
cm
Transcribed Image Text:Use the law of cosines to determine the length x in each figure. Leave your answers in terms of radicals. (a) 8 cт 60 15 cm X = cm (b) X 8 cm 120° 15 cm X = cm
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sorry I should of been clear, I need letter B to be worked out.

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