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Mathematics
Jason Trevino
17 February, 17:16
What is the value of cos (150°) ?
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Daphne Baxter
17 February, 18:49
0
cos
(150) = -√3/2
cos (30) = √3
Step-by-step explanation:
First of all, observe that 150=180-30.
cos
(180-x) = -cos (x)
plug in x=30 to get:
cos (180-30) = -cos (30)
cos (30) = - √3/2
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Yamilet Hahn
17 February, 20:06
0
ya the correct answer is - √3/2
Step-by-step explanation:
i just took the assignment. good luck to yall!
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