Question: I need help on this question Find the exact value of the expression. Do not use a calculator. cos (46) sin (44) ..... cos (46)

I need help on this question

Find the exact value of the expression. Do not use a calculator. cos (46) sin (44) ..... cos (46) sin (44) = (Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression. Type an exact answer, using radicals as needed.)
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