Answer :
if i remeber correctly when dealing with real world cordinate systems as you rotate around clockwise you move in a positive direction. but all the examples i have done said north was 0 degrees, so i may be wrong
The positive x-values, the range of value of θ is between 0⁰ and 90⁰, and for negative x-values, the range of value of θ is between 91⁰ and 180⁰.
The x-components of vectors is given as;
[tex]x = x_i \times cos(\theta)[/tex]
where;
- θ is the position of the vector
For positive x-values, the range of value of θ is between 0⁰ and 90⁰.
cos (0) = 1
cos (90) = 0
For negative x-values, the range of value of θ is between 91⁰ and 180⁰.
cos (91) = -0.017
cos (180) = -1
Thus, the positive x-values, the range of value of θ is between 0⁰ and 90⁰, and for negative x-values, the range of value of θ is between 91⁰ and 180⁰.
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