Try another version of this question Write the product as a sum: `18cos(37t)sin(16t) = ` Get help: VideoBox 1: Enter your answer as an expression. Example: 3x^2+1, x/5, (a+b)/c Be sure your variables match those in the question `9 sin(53 t) - 9 sin(21 t)`
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Get help: Video
Box 1: Enter your answer as an expression. Example: 3x^2+1, x/5, (a+b)/c Be sure your variables match those in the question