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Fill in the blank to complete the trigonometric formula. COS U COS V =Fill in the blank to complete the trigonometric formula. sin u + sin V = XFind all solutions of the equation in the interval [0, 21:). (Enter your answers as a comma-separated list.) sin() + cos(x) 1 = 0 Use the product-to-sum formulas to rewrite the product as a sum or difference. 6 cos 29 cos 46 Ex