SOLUTION: A.) Arctan(tan 315 degrees) B.)Arctan (tan 150 degrees)

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Question 67378This question is from textbook Advanced mathematics
: A.) Arctan(tan 315 degrees)
B.)Arctan (tan 150 degrees) This question is from textbook Advanced mathematics

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
A.) Arctan(tan 315 degrees)
The range of arctan is -90 to 90
so the answer is
315 or -45 degrees
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B.)Arctan (tan 150 degrees)
The range of arctan is -90 to 90
So the answer looks like 150 degrees
but the equivalent tangent is in the
4th quadrant where the answer is -30.
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Cheers,
Stan H.