Question: Use a sum or difference identity to find the exact value of the expression. tan 15 tan 15: = (Simplify your answer, including any

Use a sum or difference identity to find the exact value of

Use a sum or difference identity to find the exact value of the expression. tan 15 tan 15: = (Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression.)

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