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kayleebeaton
kayleebeaton kayleebeaton
  • 20-02-2017
  • Mathematics
Answered

Find cos θ if sin θ = -12/13 and tan θ > 0

Verified Answer :

ChandrikaP ChandrikaP
  • 20-02-2017

sinФ=-12/13  
cosФ=Base/hypotenus
(hy)^2-(perpendicular)^2=(base)^2=13^2-12^2=5
cosФ=-5/13


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