If sin > 0 and tan < 0 then:
a. 0 degrees < theta < 90 degrees
b. 90 degrees < theta < 180 degrees
c. 180 degrees < theta < 270 degrees
d. 270 < theta < 360 degrees
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OpenStudy (***[isuru]***):
do u know about the quadrants..?
i mean the 1st quadrant , 2nd quadrant , 3rd quadrant and 4th quadrant... ?
OpenStudy (anonymous):
no.
OpenStudy (***[isuru]***):
according to the period that an angle belongs it can be divided in to 4 quadrants
|dw:1392231001215:dw|
OpenStudy (anonymous):
okay...?
OpenStudy (***[isuru]***):
and in each quadrant....
specific set of trigonometric ratios will become positive...while the others become negative
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OpenStudy (anonymous):
okay which ones?
OpenStudy (***[isuru]***):
|dw:1392231147166:dw|
OpenStudy (anonymous):
so how do i get an answer. i'm confused on how to used that to find my answer/
OpenStudy (***[isuru]***):
the question says that
sin > 0 which means sin is (+)
and
tan < 0 which means tan is (-)
in which quadrant will this happen ?
OpenStudy (anonymous):
2nd?
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OpenStudy (***[isuru]***):
yes!!... and the range of the second quadrant is ?