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)
1 answer:
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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