3 years ago

Find the exact value of cos 45º in simplest form with a rational denominator.

Mathematics

1 answer:

goldenfox [79]3 years ago

8 0

Answer:

$\frac{\sqrt{2} }{2}$

Step-by-step explanation:

Cos is Adjacent over Hypotenuse, (see picture below)

x/xsqrt(2)

1/sqrt(2)

sqrt(2)/2

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Find the exact value of cos 45º in simplest form with a rational denominator.​

Find the exact value of cos 45º in simplest form with a rational denominator.