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katovenus [111]
4 years ago
6

20 POINTS!

Mathematics
1 answer:
mylen [45]4 years ago
4 0
Option 1.
sin(2x) = 2sin(x)cos(x)
cos(2x) = 1 - 2sin(x)^2
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Supplement of angle z. z=42.1°​
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Answer:

<h2>137.9°</h2>

Step-by-step explanation:

Supplementary angles add up to 180 °.

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Compare using &lt;, &gt;, or =. 7 2/5___ 7 3/8
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Answer:

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Explanation:

Step 1 - Convert the mixed numbers into decimals

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Step 2 - Convert the mixed numbers into decimals

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