gmendoza1 gmendoza1

22-01-2018
Mathematics

contestada

What is the exact value of cos 45° as found on the unit circle?

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mpanderla95 mpanderla95

22-01-2018

The exact value of cos 45 as per the special triangle would be

Cos 45 = 1/✔️2

Rationalizing the denominator gives

✔️2/2 = 0.707.

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