I don’t know what to do please help

asked Feb 3, 2023 231k views

0 votes

by Alanc

8.2k points

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5 votes

Answer:

cos(A)=√21/5

Explanation:

Use the definition of each function as well as the Pythagorean Theorem.

Hope it helps :>

Orwell answered Feb 10, 2023

8.1k points

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