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Find the exact value of the expression given below.cos(105)Rewrite the expression using a sum or...

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Find the exact value of the expression given below.cos(105)Rewrite the expression using a sum or difference formula. Choose the correct answer below.A. cos(105) = cos (60 +45) = sin (60) cos (45) + cos (60) sin (45)B. cos(105) = cos (60 +45) = cos (60) cos (45)- sin (60) sin (45)C. cos(105%) = cos (60 +45) = sin (60) cos (45) - cos (60) sin (45)D. cos(105) = cos (60 +45) = cos (60) cos (45) + sin (60) sin (45)*****The exact value of cos(105) is(Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression. Rationalize all denominators.)

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