Try another version of this question Get help: Box 1: Enter your answer as an expression. Example: 3x^2+1, x/5, (a+b)/c
Write the sum as a product (only use decimals inside of the trig functions):
`sin(9.7x)+sin(5.5x) = `
Be sure your variables match those in the question `2 sin(7.6 x) cos(2.1 x)`