b) Using the equation 3 sin² x + 7 sin x = cos²x - 4 i) ii) Hence solve, for 0 < x < 360° Show that the equation can be written in the form: 4sin2x + 7sinx + 3 = 0. 3sin²x + 7sinx= cos2x - 4 2 4
b) Using the equation 3 sin² x + 7 sin x = cos²x - 4 i) ii) Hence solve, for 0 < x < 360° Show that the equation can be written in the form: 4sin2x + 7sinx + 3 = 0. 3sin²x + 7sinx= cos2x - 4 2 4
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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Transcribed Image Text:b) Using the equation 3 sin² x + 7 sin x = cos²x - 4
i)
ii) Hence solve, for 0 < x < 360°
Show that the equation can be written in the form:
4sin2x + 7sinx + 3 = 0
3sin²x + 7sinx = cos2x - 4
2
4
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