The absolute values is T₁, x T. = = Vr¹ cos² usinv + r¹ sin² usin¹ v + r¹ cos² v sin² v r²(cos² u + sin² u) sin¹ v + cos² u sin² v r²(cos² u + sin² u) sin² v ² sin v.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.1: Angles
Problem 18E
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What happened after the second step. What happened to the cos^2vsin^2v. 

The absolute values is
T₁ x T
11
2
Vr¹ cos² usinv + r sin² usinv+r¹ cos² v sin² v
7.²
2
sin² u) sin¹ v + cos²v sin² v
u +
(cos² u + sin
r²(cos² u + sin² u) sin² v
² sin v.
Dr Lara Silvers
hp
Transcribed Image Text:The absolute values is T₁ x T 11 2 Vr¹ cos² usinv + r sin² usinv+r¹ cos² v sin² v 7.² 2 sin² u) sin¹ v + cos²v sin² v u + (cos² u + sin r²(cos² u + sin² u) sin² v ² sin v. Dr Lara Silvers hp
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