In 1130 use variation of parameters to solve the given system.X 1111X cos tsin tetX

MATH 103 Chapter 1 Notes Problem Solving Techniques: ● Understand t he problem ○ Make sure that you read and analyze a problem carefully to completely understand what i t re trying ind.f ● Devise plan ○ Since there are many different ways to solve a problem, decide which plan is the most appropriate for the particular problem you are solving. ● Carry out lanp ○ Make sure to fully carry out your plan once you decide on one. If it isn’t the best way to approach the problem and you run into a dead end, try something