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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