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OpenStudy (anonymous):
if sin(t)= 2/3, t is in quadrant II then what is cos(t) and tan(t)
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OpenStudy (anonymous):
well you need to start out by making a triangle....
OpenStudy (anonymous):
hi can u help me
OpenStudy (anonymous):
but it wants me to use trig identities?
OpenStudy (anonymous):
|dw:1352184413098:dw|
OpenStudy (anonymous):
do you know the Pythagorean formula?
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OpenStudy (campbell_st):
you will need to use pythagoras' theorem to find the missing side of the triangle before you do anything.. |dw:1352184323866:dw| once you find the value of x, it will need to be negative since it is 2nd quadrant.
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