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    Jessicalcombs's Avatar
    Jessicalcombs Posts: 3, Reputation: 1
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    #1

    Jul 3, 2012, 09:54 AM
    f(x)=tan(pix/2)
    Find the x-values at which f is not continuous. Are these discontinuities removable? (Use k as an arbitrary integer. If an answer does not exist, enter DNE.)
    ebaines's Avatar
    ebaines Posts: 12,131, Reputation: 1307
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    #2

    Jul 3, 2012, 10:06 AM
    I suggest you graph the function and see what happens particularly around multiples of . Post back with what you find.
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    Jessicalcombs Posts: 3, Reputation: 1
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    #3

    Jul 3, 2012, 10:58 AM
    It is not continuous at them points
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    ebaines Posts: 12,131, Reputation: 1307
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    #4

    Jul 3, 2012, 11:09 AM
    Quote Originally Posted by Jessicalcombs View Post
    It is not continuous at them points
    Right. So back to the original question - for what specific values of x is not continuous?
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    Jessicalcombs Posts: 3, Reputation: 1
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    #5

    Jul 3, 2012, 04:18 PM
    Therefore x is discontinuous at + and - pi/2 , which would make that non-removable?
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