If a and b are unit vectors in R', show that ||a x b||? + (a · b)² = 1. %3D

Trigonometry (MindTap Course List)
8th Edition
ISBN:9781305652224
Author:Charles P. McKeague, Mark D. Turner
Publisher:Charles P. McKeague, Mark D. Turner
Chapter7: Triangles
Section7.6: Vectors: The Dot Product
Problem 53PS: Which pair of vectors are perpendicular? a. 3i+4j and 8i6j b. 3i+2j and 2i+3j c. i+5j and i5j d....
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If a and b are unit vectors in R°, show that
||a x b||² + (a · b)² = 1.
Transcribed Image Text:If a and b are unit vectors in R°, show that ||a x b||² + (a · b)² = 1.
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