Next Using a double-angle or half-angle formula to simplify the given expressions. (a) If 2 sin(37°)cos(37°) = sin(A°) then A = degrees %3D (b) If cos (2x) – sin (2r) = cos(B°) then %3D B = %3D
Next Using a double-angle or half-angle formula to simplify the given expressions. (a) If 2 sin(37°)cos(37°) = sin(A°) then A = degrees %3D (b) If cos (2x) – sin (2r) = cos(B°) then %3D B = %3D
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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