-2 -4 -2 -4 2 sin -2 1 2 cos -2 1 = I. %3D 4 2 2 5,

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter1: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 28RE
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Decide whether it is true or not. Justify.

-2 -4
-2
-4 2
sin
-2
1 2
cos
-2
1
2
= I.
%3D
4
2
2
5,
Transcribed Image Text:-2 -4 -2 -4 2 sin -2 1 2 cos -2 1 2 = I. %3D 4 2 2 5,
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