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zepdrix
 one year ago
Best ResponseYou've already chosen the best response.1See how each set of brackets contains the same thing except with a sign change? These are CONJUGATES. When you multiply conjugates you get the difference of squares. Example:\[\large (xy)(x+y)=x^2y^2\]

johnnyalln
 one year ago
Best ResponseYou've already chosen the best response.0what about \[\tan^{2} \Theta1\]

zepdrix
 one year ago
Best ResponseYou've already chosen the best response.1Yup looks good! c: And since we don't have an identity for tan^2  1, it looks like that's as far as we can simplify it.
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