Teaching NVS PGT 2024 Test Series Mathematics Trigonometry Trigonometric Identities

A is an angle in the fourth quadrant. If it satisfies the trigonometric equation:

3 (3 – tan2 A - cot A)2 = 1

Which one of the following is a value of A?

1
300°
2
315°
3
330°
4
345°
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