(i) Express -5 sih 0 + 12 cos 0 in the form R cos(0 + a), where R>0 and 0
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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4. Please do the first part (i)
Transcribed Image Text:(i) Express -5 sih 0 + 12 cos 0 in the form R cos(0 + a), where R>0 and 0<a <
n. Give the value of a correct to 4 decimal places.
IT.
(ii) Hence
(a) solve the equation -5 sin 20 + 12 cos 20 = 1 for -n <0 < Tt.
72
(b) find the range of function of f (0)
on definition.
5 + 5 sin 0 –– 12 cos 0
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