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zhannawk [14.2K]
3 years ago
15

Find the exact value by using a half-angle identity. cosine of pi divided by twelve

Mathematics
1 answer:
Pie3 years ago
8 0

Answer:

The answer is C.

Step-by-step explanation:Th answer is C because you identify pi and devide it 12 which gives you the answer is which is C.

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Gekata [30.6K]

Answer:

34/15

Step-by-step explanation:

I recognized the form of this decimal as a number divided by 3. However, when I multiplied it by 3, I got 6.8. This means that the fraction was not fully simplified. Multiplying by 5, I got 34. Since I had to multiply by 3 and then by 5 to get there, I multiplied by a total of 15. Hope this helps!

3 0
3 years ago
Factor completely.<br> 25+70x+49x^2=
weeeeeb [17]

Answer:

(7x+5)(7x+5)

Step-by-step explanation:

Factor 25+70x+49x2

49x2+70x+25

=(7x+5)(7x+5)

Answer:

(7x+5)(7x+5)

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Answer:

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Step-by-step explanation:

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mihalych1998 [28]

Answer:

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