e the given conditions. cos(u) = 3/5, 0

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.2: Trigonometric Equations
Problem 105E
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Use the given conditions.
cos(u) = 3/5, 0 <u<π/2
(a) Determine the quadrant in which u/2 lies.
Quadrant I
Quadrant II
Quadrant III
Quadrant IV
(b) Find the exact values of sin(u/2), cos(u/2), and tan(u/2) using the half-angle formulas.
sin(u/2)
=
cos(u/2) =
tan(u/2) =
Transcribed Image Text:Use the given conditions. cos(u) = 3/5, 0 <u<π/2 (a) Determine the quadrant in which u/2 lies. Quadrant I Quadrant II Quadrant III Quadrant IV (b) Find the exact values of sin(u/2), cos(u/2), and tan(u/2) using the half-angle formulas. sin(u/2) = cos(u/2) = tan(u/2) =
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