Evaluate dx L for n > 0, m > 0. COS COS L Use the trigonometric identity 1 cos a cos b = [cos(a + b) + cos(a – b)]. (Be careful if a – b = 0 or a + b= 0.) -

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A: Here I am attaching image so that you understand each and every step.

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Statements and Logic

Logic is the analysis of general patterns of thoughts without regard to any specific sense of context.