ellei1012 ellei1012
  • 23-06-2020
  • Mathematics
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Find the function value. cos150°

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kimhanna7 kimhanna7
  • 23-06-2020

Answer:

[tex]cos150 = -\frac{\sqrt{3} }{2}[/tex]

Step-by-step explanation:

Recall the unit circle. At 150 deg, the point value is (-sqrt3/2, 1/2)

Remember the cosine is always the x-value, and sine is always the y-value.

This means that cosine will be -sqrt3/2.

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