Chapter 3 Math Figure 11

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Math 11 Chapter 3 Lesson 2: Two perpendicular lines

Math 11 Chapter 3 Lesson 2: Two perpendicular lines 1. Summary of theory 1.1. Dot product of two vectors in space a) Angle between two vectors in space – Define: In space, for (overrightarrow u ) and (overrightarrow v ) are two vectors other than vector – no. Take any point A, call B and …

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Math 11 Chapter 3 Lesson 3: Line perpendicular to plane

Math 11 Chapter 3 Lesson 3: Line perpendicular to plane 1. Summary of theory 1.1. Define The line d is said to be perpendicular to the plane . ((alpha)) if d is perpendicular to every line a lies in the plane ((alpha)). Sign: (d bot left( alpha right)). 1.2. Conditions for a line to be …

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Math 11 Chapter 3 Lesson 4: Two perpendicular planes

Math 11 Chapter 3 Lesson 4: Two perpendicular planes 1. Summary of theory 1.1. Angle between two planes a) Definition The angle between two planes is the angle between two lines perpendicular to the two planes respectively. – If two planes are parallel or coincide, then the angle between the two planes is (0^o). b) …

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Math 11 Chapter 3 Lesson 1: Vectors in space

Math 11 Chapter 3 Lesson 1: Vectors in space 1. Summary of theory 1.1. Definition and operations of vectors in space a) Definition A vector in space is a directed line segment. Sign (overrightarrow {AB} ) Only vectors have a beginning point A and an end point B. The vector is also denoted by . …

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