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Math Trig Help?
Ok, my friend and I did the work for the following problem and didn't arrive at the same answer, so I'm looking for some help with it.
"For each given function f, find the numerical value of f(pi over 3)"
And the function is "f(x)=tan x tan 2x" where x is the function. I assumed that it was equivalent to tan 2(pi over 3) squared while my friend figured out tan x and then tan 2x and multiplied the two, ending up with negative 3. I went the far more complicated route and I got 0. I squared the parenthesis and got tan 2 (pi squared over 9). I carried over the 2 from tan 2, bringing me the equation 2 pi squared over 9 times (180 over pi.) so that I can cancel out the pi squared on the other side. that brought 2 pi squared over 9 times 32400 over pi squared. I cancelled out the pi squared and then multiplied the remaining straight across, getting 64800 over 9 equaling 7200. That's 20 revolutions around a unit circle where x=1 and y=0. y over x= tan and therefore 0 over 1 or 0
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