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(b) Let f(r). 8 sin(r) + 3 cos(r). (i) Find the value of R20 and the value of 0°

(b) Let f(r). 8 sin(r) + 3 cos(r). (i) Find the value of R20 and the value of 0°

Advanced Engineering Mathematics
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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(b) Let f(x) = 8 sin(r) +3 cos(r). (i) Find the value of R 0 and the value of 0° < a< 90° such that f(x) = R sin(r + a), %3D giving your value of a to the nearest degree.
Transcribed Image Text:(b) Let f(x) = 8 sin(r) +3 cos(r). (i) Find the value of R 0 and the value of 0° < a< 90° such that f(x) = R sin(r + a), %3D giving your value of a to the nearest degree.
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