Question: I need help on this question Find the exact value of the expression. Do not use a calculator. 1 - cos 25 - cos 2650

I need help on this question Find the exact value of

I need help on this question

the expression. Do not use a calculator. 1 - cos 25 -

Find the exact value of the expression. Do not use a calculator. 1 - cos 25 - cos 2650 1 - cos 225 - cos 2650 = (Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expres

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