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5 votes
Use the unit circle to find the inverse function value in degrees.

tan^-1 sqrt of 3

A. 120 degrees
B. 90 degrees
C. 60 degrees
D. 30 degrees

1 Answer

6 votes
Using the unit circle:
tan^(-1) (√3 ) = π/ 3 = 60° ( because tan 60° = √3)
Answer : C ) 60 degrees
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User InflexCZE
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