(a) Express 5 cos0 – 2sin0 in the form R cos(0 +a), where R >0 and 0< a < State the value of R and give the value of a to 4 significant figures. (b) Solve, for – 1 < 8 < n, V5 cos e – 2sin 0 = 0.5 giving your answers to 3 significant figures. [Solutions based entirely on graphical or numerical methods are not acceptable.]
(a) Express 5 cos0 – 2sin0 in the form R cos(0 +a), where R >0 and 0< a < State the value of R and give the value of a to 4 significant figures. (b) Solve, for – 1 < 8 < n, V5 cos e – 2sin 0 = 0.5 giving your answers to 3 significant figures. [Solutions based entirely on graphical or numerical methods are not acceptable.]
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter2: Equations And Inequalities
Section2.1: Equations
Problem 76E
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