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katovenus [111]
4 years ago
7

What is the reference angle and cosine of StartFraction 7 pi Over 6 EndFraction ?

Mathematics
2 answers:
lara31 [8.8K]4 years ago
6 0

Answer:

Reference Angle: the acute angle between the terminal arm/terminal side and the x-axis. The reference angle is always positive. In other words, the reference angle is an angle being sandwiched by the terminal side and the x-axis. It must be less than 90 degree, and always positive.

Step-by-step explanation:

Ann [662]4 years ago
3 0

EndRoot Over 2 EndFraction

StartFraction pi Over 6 EndFraction, StartFraction StartRoot 3 EndRoot Over 2 EndFraction

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Which statement best explains why the value of this expression is equal to −812y? 414x − 812y − 414x
GarryVolchara [31]
For this case we have the following expression:
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 Rewriting we have:
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 We group similar terms:
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 Adding we have:
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 Answer:
 
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5 0
4 years ago
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myrzilka [38]

Answer:

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Step-by-step explanation:

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7 0
3 years ago
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Step-by-step explanation:

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larisa [96]

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Step-by-step explanation:

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