SOLUTION: Evaluate {{{ tan(pi/6 - pi/3) }}} I got up to {{{(sqrt ( 3 )/3 + sqrt ( 3 ))/2}}} Regards, Peter

Question 1054317: Evaluate
I got up to
Regards, Peter
Answer by josgarithmetic(39630) (Show Source): You can put this solution on YOUR website!
Basic Identity for this Tangent expression:

Using reference angles and Unit Circle,

You made a mistake in sign. Your expression should really be
.

From that, and that you're studying Trigonometry, your arithmetic steps should bring the simplification to .
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