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Which relation is a function of x?
2 answers:
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Answer:
The answer is A and D.
Step-by-step explanation:
Acute angles are angles that are less than 90°.
0° < θ < 90°.
So by looking at the diagram, any angles that are smaller than a L-shaped(90°) are all acute angle.
In quadrant 2, and
. Use the Pythagorean identity to establish that
Then