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OpenStudy (lilsis76):
how can i prove cosAcotA = cscA - sinA ? i know ..... csc is 1/sin ....thats all i see
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OpenStudy (shubhamsrg):
cot = cos/sin cos^2= 1- sin^2 use them..
OpenStudy (lilsis76):
okay ill try it
OpenStudy (lilsis76):
wait, but i dont have a squared cos, or sin
OpenStudy (amorfide):
lol you will when you substitute cot to be cos/sin
OpenStudy (lilsis76):
oh... lol let me try
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OpenStudy (amorfide):
do you know your trig identities?
OpenStudy (lilsis76):
i dont know them so i have a apaper with tthem written
OpenStudy (amorfide):
learn them ;) do alot of questions
OpenStudy (lilsis76):
these are random review examples the instructor is giving us a test tomorrow . so far i got|dw:1350322848065:dw|
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