Express 4.3 sin ( x ) − 1.1 cos ( x ) in the form k sin ( x + ϕ ) k = ϕ = Note: ϕ should be given in radians in the interval − π < ϕ < π Report answers accurate to 4 decimal places.

Answer 1

Mark M. (the other one) has provided a solution to your previous post of a similar problem. What prevents you from using that as a model for your learning?