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Use the sum or difference formula for tangent to determine the exact value of tan(23π12). Make sure to simplify your answer.
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Box 1: Enter your answer as a number (like 5, -3, 2.2172) or as a calculation (like 5/3, 2^3, 5+4)
Enter DNE for Does Not Exist, oo for Infinity
Decimal values are not allowed
Trig functions (sin,cos,etc.) are not allowed
-2+√3 or -√3+1√3+1