Problem Find the following trigonometric values. Express your answers exactly. cos(225) = SIn(225)=

asked Aug 7, 2022 27.1k views

5 votes

Problem

Find the following trigonometric values.
Express your answers exactly.
cos(225) =
SIn(225)=

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2 votes

Answer:

Explanation:

cos 225 = -cos 45 = -1/√2.

sin 225 = -sin45 = -1√2.

BennyM answered Aug 12, 2022

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