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skyhighozzie
23.06.2020 •
Mathematics
Find the function value. cos150°
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Ответ:
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.
Ответ:
the correct answer should be (b) 6 is extraneous