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shutvik [7]
3 years ago
8

Quick can anyone help me please, only the ones who know what they are saying lol!!!!!!!!!!!!!!!! This is literally attempt #7 of

trying to get this question answered
Determine the value of x. ( no links as answers)

Mathematics
1 answer:
expeople1 [14]3 years ago
8 0

This is a 45°-45°-90° triangle, in which the sides occur in a ratio of 1 to 1 to √2. So <em>x</em> = √2.

If you didn't already know that, you can trigonometry. By definition of cosine,

cos(45°) = 1/<em>x</em>

Then

<em>x</em> = 1/cos(45°) = 1/(1/√2)) = √2

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