Solve for the angle in the equation. a. sin (30 + 72)° = cos 48° b. 4 sin? () + 8 cos () – 7 = 0 for 0 < 0 < 360° 1 Add file

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.4: Multiple-angle Formulas
Problem 16E
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Solve for the angle in the equation.
a. sin (30 + 72)° = cos 48°
b. 4 sin? () + 8 cos () – 7 = 0 for 0 < 0 < 360°
1 Add file
Transcribed Image Text:Solve for the angle in the equation. a. sin (30 + 72)° = cos 48° b. 4 sin? () + 8 cos () – 7 = 0 for 0 < 0 < 360° 1 Add file
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