Complete the missing value in the solution to the equation.y=-2x+4
1 answer:
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Answer:
cos(Θ) = 84/85
Step-by-step explanation:
See the attachment.
Sine is opposite divided by hypotenuse. Here, the "opposite" side is -13 and the hypotenuse is 85. Cosine is adjacent divided by hypotenuse. The "adjacent" side is the unlabelled length. We find this by using the Pythagorean Theorem:
b =
So, cos(Θ) = 84/85
Hope this helps!
