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Vector equations of a line

What you have to know :

  • Addition - Subtraction of vectors, position vector, magnitude and direction of a vector

    (If not check this lesson)

Vector equations of a line in 2D
1. Watch this video
2. Watch this solved problem

What you have to know :

  • Vector equation of a line in 2D

Vector equation of a line in 3D.
1. Watch this video
2. Watch this solved problem

What you have to know :

  • How to calculate the magnitude of a vector.

  • How to find an angle using the inverse function of cosine.

Scalar product
1. Watch this video
2. Perpendicular vectors and dot   
     product.
 
    Watch this video
3. Example of perpendicular vectors
​
    Watch this video

What you have to know :

  • How to calculate the scalar product of two vectors

  • How to find an angle using the inverse function of cosine.

Cross product of two vectors
1. Watch this video
2. How to find the area of a triangle  
     using the vector product
    
     Watch this video

What you have to know :

  • How to calculate the scalar product of two vectors

  • How to find an angle using the inverse function of cosine.

Angle between two lines
1. Watch this video
2. Perpendicular vectors to a line and
     distance
     
      Watch this video

Now Lets Practice!

  • Solve the problems.

     

Vector equation Problems
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