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Le5eta8mtzjasmit
Le5eta8mtzjasmit Le5eta8mtzjasmit
  • 19-07-2016
  • Mathematics
Answered

Find cos θ if csc θ = 2 and θ is in quadrant II.

Verified Answer :

meerkat18
meerkat18 meerkat18
  • 20-07-2016

cosecant is one of the six trigonometric identities which is equal to the reciprocal of sine function. In this case, theta is equal to sin -1 = 1/2 equal to 30 degrees. Since this is in quadrant II, the angle is 180 - 30 or 150 degrees. cos 150 is equal to -0.866 or -ssqrt 3 over 2.

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