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sweet [91]
3 years ago
14

If cos x=1/2 and 90°

Mathematics
1 answer:
Talja [164]3 years ago
5 0

When I factor[ 2cos (square) - 5cos -3], I get (2cos + 1)(cos - 3). 2cos + 1 = 0, 2cos = -1, cos = -0.5,. Using inv cos on calculator, I get 120 degree related angle.

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William bought a new sweater at the store when they were having a 45%, off sale. if the regular price of the sweater was $19, ho
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Firstly, to calculate a price you need to change the percentage into a decimal. You do this by dividing it by 100.

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4 years ago
B is the midpoint of AC. AB = 5x-7, BC = 3x - 5. Find the value of x.<br><br> А<br><br> B<br><br> C
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8 0
3 years ago
Number 65 please. Show work. Thanks in advance.
iris [78.8K]

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3 0
3 years ago
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