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Lecture 6

# MATH 20C Lecture 6: Lecture 6

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Department
Mathematics
Course
MATH 20C
Professor
Semester
Spring

Description
Math 20 C 12 Apr 2017 To day: 1.3 Coss Product Next: 2. Real Value Functons ue Frida Homework 1 3 The Cross Product Def If are two vectors, then the Cross product o with is the vector w defined so that e is the angle Letween Fact is the area the parallelogram with sides Area WIl sin (e) to Loth V and Right-Hand Rule 1. D raw v, with the same base point 2. Place your RIGHT hand along v Math 20 C 12 Apr 2017 To day: 1.3 Coss Product Next: 2. Real Value Functons ue Frida Homework 1 3 The Cross Product Def If are two vectors, then the Cross product o with is the vector w defined so that e is the angle Letween Fact is the area the parallelogram with sides Area WIl sin (e) to Loth V and Right-Hand Rule 1. D raw v, with the same base point 2. Place your RIGHT hand along v3. close your haul towards 4. The direction of u b. v x W is the dire ction WX v s the same size as V x W Note But is in the direction opposite pute the order to more e cien cross pro duct, we use components. Example (e) Ex ill Size 1 1 sin (5) -1 as Drthogona. Direction The only possibilities are k and -k By the right-hand rule it must be k Right Handel coordinate system right-hand works rule Facts Basic Arithmetic Pro erties P V t W 3. close your haul towards 4. The direction of u b. v x W is the dire ction WX v s the same size as V x W Note But is in the direction opposite pute the order to more e cien cross pro duct, we use components. Example (e) Ex ill Size 1 1 sin (5) -1 as Drthogona. Direction The only possibilities are k and -k By the right-hand rule it must be k Ri
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