anonymous
  • anonymous
Given that sin θ = sqrt(3)/7 and tan θ < 0, find sec θ and tan θ.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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y2o2
  • y2o2
θ is in the second quad. so you can use sin^-1 function or you can use Pythagoras theorem and SOH CAH TOA
anonymous
  • anonymous
ok so x^2 + y^2 = r^2 x^2 + sqrt(3)^2 = 7^2 x^2 + 3 = 49 x^2 = 46 x = sqrt(46) right?
y2o2
  • y2o2
yes you got the adjacent right. so now you can get the cos and the tan but remember that both of them will be -ve

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anonymous
  • anonymous
So Sec θ = - 7sqrt(46)/46 Tan θ = - sqrt(138)/46
y2o2
  • y2o2
Yes, that's right
anonymous
  • anonymous
cool, thanks. I wasn't sure if I could reduce it further.

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