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TiliK225 [7]
3 years ago
15

Using the unit circle find the exact value. CSC -30º =​

Mathematics
1 answer:
AlexFokin [52]3 years ago
8 0

Answer:

csc (- 30)° = - 2

Step-by-step explanation:

Using the trigonometric relationship

csc x = \frac{1}{sinx} and the exact value sin30° = \frac{1}{2}

sin(- 30)° = - sin30° = - \frac{1}{2}, thus

csc (- 30)° = \frac{1}{-\frac{1}{2} } = - 2

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