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Paul [167]
4 years ago
6

Evaluate csc330°. A: -2sqrt3/3 B: -2 C: 2 D: 2sqrt3/3

Mathematics
1 answer:
kirza4 [7]4 years ago
4 0

Answer:

B: -2

Step-by-step explanation:

The reference angle for 4th-quadrant angle 330° is 30°. The sine is negative in the 4th quadrant, so ...

csc(330°) = 1/sin(-30°) = -1/sin(30°) = -1/(1/2) = -2

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⸻⸻⸻⸻⸻

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⸻⸻⸻⸻⸻

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