Solve the triangle. Round decimal answers to the nearest tenth. Step-by-step solution.

Carson has only $20 bills and $10 bill in her wallet. the total value of the bills is $50. she has 1 more $20 bill than $10 bills. how many each kind of bill does carson have? a. one $20 and two $10 bills b. two $20 bills and one $10 bill c. one $20 bills and three $10 bills d. two $20 bills and two $10 bills

Ineed the solution to this problem and the steps.

Use the squared identities to simplify sin^2x cos^2x