sin x = 0.1 (a) Use the graph shown below to estimate (to the nearest 0.05) a root of the equation within the interval o s x s m/2. L0 a9 06+ as 04+ 03 02- ai a2 a3 04 as a6 07 as a9 LO LI 1.2 1.3 1.4 1S y = sin x, 0 s xs R/2

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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You are given an equation of the form sin x = k where k > 0.
sin x = 0.1
(a) Use the graph shown below to estimate (to the nearest 0.05) a root of the equation within the interval 0 sx < T/2.
1.0 -
0.9
0.8
0.7
0.6
0.5
0.4 -
0.3-
0.2
0.1 -
0.1
0.2
0.3 0.4 0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.4 1.5 1
y = sin x, 0 <xS T/2
(b) Use a calculator (with the inverse sine function) to obtain a more accurate value for the root in part (a). Round the answer to four decimal places.
(c) Use the reference-angle concept and a calculator to find another root of the equation (within the interval 0 < x< 2n). Round the answer to four decimal places.
(d) Use the reference-angle concept and a calculator to find all solutions of the equation sin x = -k within the interval 0<x< 2n. Round the answer to four decimal places. (Enter your answers as a comma-separated list.)
Transcribed Image Text:You are given an equation of the form sin x = k where k > 0. sin x = 0.1 (a) Use the graph shown below to estimate (to the nearest 0.05) a root of the equation within the interval 0 sx < T/2. 1.0 - 0.9 0.8 0.7 0.6 0.5 0.4 - 0.3- 0.2 0.1 - 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1 y = sin x, 0 <xS T/2 (b) Use a calculator (with the inverse sine function) to obtain a more accurate value for the root in part (a). Round the answer to four decimal places. (c) Use the reference-angle concept and a calculator to find another root of the equation (within the interval 0 < x< 2n). Round the answer to four decimal places. (d) Use the reference-angle concept and a calculator to find all solutions of the equation sin x = -k within the interval 0<x< 2n. Round the answer to four decimal places. (Enter your answers as a comma-separated list.)
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