Question: Use a compound angle subtraction formula to determine a trigonometric expression that is equivalent to each of the following expressions. 11 77 7 1 a)

Use a compound angle subtraction formula to determine a trigonometric expression that is equivalent to each of the following expressions. 11 77 7 1 a) sin X - c COS 6 4 2 17 b) tan X d) sin 3

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