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Morgarella [4.7K]
4 years ago
7

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

Mathematics
1 answer:
natita [175]4 years ago
5 0
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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  -4x + 2y = 24   Plug in 0 for y
-4x +2(0) = 24   Multiply
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When x = 0, y will be the y-intercept. So, plug in 0 for x and solve for y.

   -4x + 2y = 24   Plug in 0 for x
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zeroes are 1 , -0.27 and -3.73   Answer



  
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