mlaredo29 mlaredo29

26-01-2021
Mathematics

contestada

Determine cos 315degrees

Respuesta :

daisyjcastillo28 daisyjcastillo28

26-01-2021

Answer:

Exact Form:

√ 2/ 2

Decimal Form:

0.70710678 …

Step-by-step explanation:

Find the exact value using trigonometric identities.

Answer Link

lovecookie4157 lovecookie4157

26-01-2021

It’s same as: cos45

You can always subtract or subtract FROM 360.

360-315=45

Exact value of cos45 is √2/2

Answer Link

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