Trig
posted by Paige
tan 75 (show all work please)

Reiny
Using tan(A+B) = (tanA + tanB)/(1tanAtanB)
tan75
= tan(45+30)
= (tan45+tan30)/(1tan45tan30)
= (1 + 1/√3)/(1  (1)(1/√3)
multiply top and bottom by √3
= (√3 + 1)/(√3  1)
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