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OpenStudy (anonymous):
I have a question #19 find \[\frac {\tan(\cos^{-1} \frac{1}{5}-arccot \frac{1}{3}+\arctan \frac{7}{9})}{\sin(\arcsin \frac{5}{13}+\arcsin \frac{12}{13})}=?\]
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sam (.sam.):
0.99211
OpenStudy (anonymous):
hmm i got 1 btw ;p
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