SOLUTION: Please help me solve this problem Tan to the second power theta minus 1 equals zero

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Question 754049: Please help me solve this problem
Tan to the second power theta minus 1 equals zero
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Tan to the second power theta minus 1 equals zero
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tan^2(x) - 1 = 0
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(tan-1)(tan+1) = 0
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tan(x) = 1 or tan(x) = -1
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x = pi/4 or x = (3/4)pi
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Cheers,
Stan H.