JoseJ JoseJ
  • 24-08-2016
  • Mathematics
contestada

If θ = 5π/ 4, then what's cosθ and sinθ

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caylus
caylus caylus
  • 24-08-2016
Hello,

cos (5π/4)=-cos(π/4)=-√2 / 2
sin (5π/4)=-sin(π/4)=-√2 / 2
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