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MatroZZZ [7]
2 years ago
12

What is the value of sine of begin argument 45 degrees end argument?

Mathematics
1 answer:
nirvana33 [79]2 years ago
5 0

Answer:

Option A

fraction numerator square root of 2 over denominator 2 end fraction

Step-by-step explanation:

The answer can be obtained using a calculator.

It corresponds to a notable identity

sin (45) =  \sqrt{2} / 2

sin (45) = 0.7071

\sqrt{2} / 2  = 0.7071

Please see attached picture

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We apply the pythagorean theorem to find this answer.

a = 11 and b = 6 are the given legs

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So,

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c = sqrt( 121 + 36 )

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Side note: once you replace 'a' and b with 11 and 6, you can compute everything with a calculator in one single step more or less. The steps above are shown if you wanted to find the exact value sqrt(157).

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