Prove that cos(01 +02) = cos01cos02 – sind1 sind2 by considering the dot product of the unit vectors v1 and v2. These vectors are at the angles 01 above the x-axis and 02 below the x-axis, respectively. 19 V. -1 |1
Prove that cos(01 +02) = cos01cos02 – sind1 sind2 by considering the dot product of the unit vectors v1 and v2. These vectors are at the angles 01 above the x-axis and 02 below the x-axis, respectively. 19 V. -1 |1
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter8: Applications Of Trigonometry
Section8.4: The Dot Product
Problem 3E
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