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Use the Unit Circle to find the exact value of the trig function.
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Use the Unit Circle to find the exact value of the trig function.

Use the Unit Circle to find the exact value of the trig function.-example-1
User Sudee
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3.4k points

1 Answer

13 votes

Answer: -1/2 (choice A)

Step-by-step explanation:

Refer to the diagram below. I've marked the angle 330 in red.

The y coordinate of the terminal point for this angle is the value of sin(330)

Therefore, sin(330) = -1/2

Use the Unit Circle to find the exact value of the trig function.-example-1
User Savinson
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3.6k points
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