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Is Sine or Cosine Positive or Negative?
You need to understand
basic trig
and the
compass directions.
before you proceed.
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<=
=>
The above vector is N of E.
Is the x-component positive or negative?
?
Positive
?
Negative
The above vector is N of E.
Is the y-component positive or negative?
?
Positive
?
Negative
The above vector is E of N.
Is the x-component positive or negative?
?
Positive
?
Negative
The above vector is E of N.
Is the y-component positive or negative?
?
Positive
?
Negative
The above vector is W of N.
Is the y-component positive or negative?
?
Positive
?
Negative
The above vector is W of N.
Is the x-component positive or negative?
?
Positive
?
Negative
The above vector is N of W.
Is the x-component positive or negative?
?
Positive
?
Negative
The above vector is N of W.
Is the y-component positive or negative?
?
Positive
?
Negative
The above vector is S of W.
Is the y-component positive or negative?
?
Positive
?
Negative
The above vector is S of W.
Is the x-component positive or negative?
?
Positive
?
Negative
The above vector is W of S.
Is the x-component positive or negative?
?
Positive
?
Negative
The above vector is S of W.
Is the y-component positive or negative?
?
Positive
?
Negative
The above vector is E of S.
Is the y-component positive or negative?
?
Positive
?
Negative
The above vector is E of S.
Is the x-component positive or negative?
?
Positive
?
Negative
The above vector is S of E.
Is the x-component positive or negative?
?
Positive
?
Negative
The above vector is S of E.
Is the y-component positive or negative?
?
Positive
?
Negative
OK
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