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
icon
Related questions
Question
100%
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
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
Expert Solution
steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
Recommended textbooks for you
Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage