Answered: b 60° a

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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Hello,

I had asked this question before but I wanted to get a more detailed answer as to how the previous instructor got the 2 and the 1/2? (see highlighted screen shot). I attached both original question and the highlisted answer from bartleby.

Original question asked is below:

Consider the following right triangle with sides a, b, and c in which c is the hypotenuse.
If the length of c in the above triangle is 9, determine the lengths of a and b.

Can you please explain how to get to the below solution?

Answers:

a = 9/2

b = 9*(sqrt(3)/2)

b= 9X sin6o
學)
(:: sin 60°
V3
2.
Scanned with b=
CS
CamScanne
2
a
Aleo
CoS G0 =
a =9X ca5 60°
cas 60
66° = )
So
2
scResult
CamScanner
을
b= 9*
CS
a =
2
2.

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