SOLUTION: Which quadrant is arccos(cot(5)) in? Is there anyway to figure this out mathematically (solving for arccos(cot(5))). On the calculator I get 1.87 but I don't know if there is a way
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Question 668916: Which quadrant is arccos(cot(5)) in? Is there anyway to figure this out mathematically (solving for arccos(cot(5))). On the calculator I get 1.87 but I don't know if there is a way to do this with identities. Answer by Alan3354(69443) (Show Source):
You can put this solution on YOUR website! Which quadrant is arccos(cot(5)) in? Is there anyway to figure this out mathematically (solving for arccos(cot(5))). On the calculator I get 1.87 but I don't know if there is a way to do this with identities.
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You're not asked for the value, just the quadrant.
cot(5) is positive whether it's degrees or radians
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Quadt 1 2 3 4
cosine + - - +
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Could be Q1 or Q4
