# 12.4.2 - 3 Projections and Components Today 1 Direction Angles and Direction Cosines 2 Cross Product From Last Time Example9 Find the unit vectors

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Math 2433 : 18409 Meghna Mittal [email protected] Course Homepage http://www.math.uh.edu/~mittal/Math2433.html Office Hours in 676 PGH 1:15 - 2:00 pm MF

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EMCF =”Electronic Multiple Choice Form” Where to find questions? Multiple choice questions Posted on the Course Homepage http://www.math.uh.edu/~mittal/Math2433.html NOTE: Available for a specified time interval (announced on CourseWare 2433 page ) http://www.casa.uh.edu Where and How to submit answers? On the CourseWare. Log in at http://www.casa.uh.edu Click on “EMCF” ( an electronic scantron form ) “Bubble in” your answers
Important notations

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Last Time: 1. Dot Product 2. Angle between two vectors

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Unformatted text preview: 3. Projections and Components Today: 1. Direction Angles and Direction Cosines 2. Cross Product From Last Time Example9. Find the unit vectors that are perpendicular to both i +2 j + k and 3 i-4 j +2 k . Direction Angles, Direction Cosines Example9. Find the unit vector with direction angles π /4, 2 π /3, π /3. Example10. Find the vector of norm 2 with direction angles π /4, 2 π /3, π /3. Example11. Find the vector of norm 2 with direction angles π /4, π /4, π /4. Example12. Find the direction cosines of the vector i + j - √ 2 k. Example13. Find the direction angles of the vector -√ 3 i + j....
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## This note was uploaded on 09/11/2010 for the course MATH 2433 taught by Professor Bob during the Spring '10 term at University of Houston-Victoria.

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12.4.2 - 3 Projections and Components Today 1 Direction Angles and Direction Cosines 2 Cross Product From Last Time Example9 Find the unit vectors

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