Trigonometry: Angles

Problem : What is the difference between a vector and a ray?

Problem : A vector has origin at (1,2) and endpoint at (-3,-4). What is the horizontal, or x -component of this vector?

Problem : How many vectors are needed to form the coordinate plane?

Problem : A vector has origin at (-3,5) and endpoint at (0,8). What is the magnitude of this vector?

Solution for Problem 4 >>

= 3

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Problem : . . What is 3 ?

Solution for Problem 5 >>

(,)

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