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
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.5: Product-to-sum And Sum-to-product Formulas
Problem 33E
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