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Question 638589: How would I find the domain of y = root(tanx) ?
How would I find the domain of y = x / cos(x) ?
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! How would I find the domain of y = root(tanx) ?
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tan(x) must not be negative.
Domain: All Real Numbers, x, where x is [0,pi/2)U[pi,(3/2)pi) etc.
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How would I find the domain of y = x / cos(x) ?
cos(x) cannot be zero
Domain: All Real Numbers except x = pi/2,(3/2)pi,etc.
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Cheers,
Stan H.
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