Question 971586: Find the exact value of each trig expression
Tan 135 - tan 15
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1 + tan 135 tan 15 Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! Find the exact value of each trig expression
Tan 135 - tan 15
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1 + tan 135 tan 15
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= tan(135-15)
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= tan(120) = -tan(30) = -1/sqrt(3)
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Cheers,
Stan H.
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