nmenezy
nmenezy
03-04-2018
Mathematics
contestada
Find tan and cos if sec=4 and sin<0
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menakri53
menakri53
03-04-2018
sin(x) = - √15 /4 and tan(x) =sin(x)/cos(x) =(- √15 /4)/(1/4)=(- √15 /4)/(4/1)=- √15
tan(x)= - √15
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