Problem

Find the value of the expression: e2cos1(12)

Answer

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Answer

Step 3: Simplify the exponent to get e2π3

Steps

Step 1 :Step 1: We know that cos1(12)=π3 from basic trigonometric values. So, we substitute this into the expression.

Step 2 :Step 2: Now the expression becomes e2π3

Step 3 :Step 3: Simplify the exponent to get e2π3

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