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NARA [144]
4 years ago
15

Describe how you can determine the quadrant in which the terminal side or angle a lies if sin a =-1/4

Mathematics
1 answer:
pav-90 [236]4 years ago
7 0

Step-by-step explanation:

Well it's easy, you can write sin a=y/r

in which y is the y coordinate and r the hipotenuse.

so if sin a is negative that must mean that "a" is where y is negative and that happens in the third and fourth quadrant

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