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Quadrant

0 votes
Find the quadrant in which the terminal point determined t lies

sin(t)less thancos(t) less than 0

sin(t)greater than cos(t) greater than 0

sin(t) greater than 0 and cos(t) less than 0

sin(t) less than 0 and cos(t) greater than 0
asked Jul 5, 2016 in PRECALCULUS by anonymous
reshown Jul 6, 2016 by goushi

1 Answer

0 votes

Find the quadrant of image.

a)

image

Rewrite,

image

sin is negative and cos is negative so it is in quadrant image.

b)

image

Rewrite,

image

sin is positive and cos is negative so it is in quadrant image.
c)

image

sin is positive and cos is positive so it is in quadrant image.

d)

image

sin is negative and cos is positive so it is quadrant image.

answered Jul 6, 2016 by Anney Mentor

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