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OpenStudy (math2400):
trig function, find the exact val (no calc) postin:
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OpenStudy (math2400):
\[\sin(\arctan \frac{ 1 }{ 2 }-\arccos \frac{ 4 }{ 5 })\]
OpenStudy (math2400):
do u find the sin of each (usin triangles) and then subtract the two?
OpenStudy (math2400):
this is what i got so far|dw:1384308648181:dw|
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