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xenn [34]
3 years ago
8

Anyone know how to solve?

Mathematics
2 answers:
kipiarov [429]3 years ago
3 0

Answer:52

Step-by-step explanation:

180-56-72=x so x is 52

mafiozo [28]3 years ago
3 0
X + 72 + 56 = 180
x = 52
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Answer:

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Step-by-step explanation:

The given trigonometric equation is \cos(-\theta)=\frac{\sqrt{3} }{3}.

We can either use the Pythagorean identity or the right angle triangle  to solve for \sin\theta.

According to the Pythagorean identity,

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Recall that, the cosine function is an even function, therefore

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We substitute this value in to the above Pythagorean identity to get;


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But we were given that,

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The correct answer is B







7 0
4 years ago
Please any help is greatly appreciated
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