Question: sin 2x + sin 8x =cot 3x cos2x-cos 8x Note that each Statement must be based on a Rule chosen from the Rule menu.
sin 2x + sin 8x =cot 3x cos2x-cos 8x Note that each Statement must be based on a Rule chosen from the Rule menu. To see a detailed description of a Rule, select the More Information Button to the right of the Rule. Statement sin2+ sin8x cos2r cos 8x Rule con cot Select Rule T
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