1 and which is in the interval [0, n] is y = 2 The angle y whose cosine is- radians.

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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Cos
Step 1
1
If y = cos(x), then cos(y) = x, 0 < y < n. Therefore, to find y = cos
we must find the angle y
2
1
whose cosine is
2
There are many possible angles with this cosine, but the range ofy = cos(x) is restricted to the interval
[0,7]
[0, 7]
and so y must be in this interval.
Step 2
1
and which is in the interval [0, x] is y =
2
The angle y whose cosine is-
radians.
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Transcribed Image Text:Cos Step 1 1 If y = cos(x), then cos(y) = x, 0 < y < n. Therefore, to find y = cos we must find the angle y 2 1 whose cosine is 2 There are many possible angles with this cosine, but the range ofy = cos(x) is restricted to the interval [0,7] [0, 7] and so y must be in this interval. Step 2 1 and which is in the interval [0, x] is y = 2 The angle y whose cosine is- radians. Submit Skip (you cannot come back)
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