Evaluate cos 315º without using a calculator. a Plz help

Moteutsch asked Feb 21, 2023

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7 votes

Evaluate cos 315º without using a calculator.
a
Plz help

Moteutsch asked Feb 21, 2023

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15 votes

Answer:

O A. -1/2

Explanation:

I hope it's help..

Byusa answered Feb 27, 2023

by Byusa

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