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7

Set 1: Trigonometry (Beginner)

Explanation

Answer: C

PROBLEM

In which quadrant does an angle of 45 degrees lie?

In which quadrant does an angle of 45 degrees lie?

A.

3

B.

4

C.

1

✓ Correct
D.

2

Detailed Explanation

Choice C is the best answer. 45 degrees is in Quadrant 1

Why others are wrong:
A: 3 is incorrect because it does not satisfy the equation.
B: 4 is incorrect because it does not satisfy the equation.
D: 2 is incorrect because it does not satisfy the equation.
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