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posted by Paige on Friday, February 18, 2011 at 9:42pm.
tan 75 (show all work please)
Using tan(A+B) = (tanA + tanB)/(1-tanAtanB) tan75 = tan(45+30) = (tan45+tan30)/(1-tan45tan30) = (1 + 1/√3)/(1 - (1)(1/√3) multiply top and bottom by √3 = (√3 + 1)/(√3 - 1)
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