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Determine the principal value for the trigonometric expression. give the exact answer in degrees. cos-1(-1/2)

Determine the principal value for the trigonometric expression. give the exact answer in degrees. cos-1(-1/2)
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Determine the principal value for the trigonometric expression. give the exact answer in degrees.

cos-1(-1/2)

User Cazgp
by
8.1k points

1 Answer

7 votes

Answer: 120 degrees

Explanation:

User Luka Cerrutti
by
7.8k points
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