webassign.net C A MATH 1150-581: Precalculus Mathematics, Fall 2021, F. @ 5.5 Hmwk Part 2 - Multi-Angle and Prod-to-Sum VA MATH 1150-581: Precalculus Mathematics, Fall 2021, F. Lab 12 - Molecular Geometry 2 9. [-/10 Points] DETAILS LARPCALC11 5.5.052. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Use the sum-to-product formulas to write the sum or difference as a product. sin 30 + sin 0 Need Help? Read It Watch It 10. [-/10 Points] DETAILS LARPCALC11 5.5.054. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Use the sum-to-product formulas to rewrite the sum or difference as a product. cos x + cos 4x Need Help? Read It Submit Assignment Save Assignment Progress