Compare the key features and graphs of sine and cosine, algebra homework help

Part 1: Using complete sentences, compare the key features and graphs of sine and cosine. What are their similarities and differences?Part 2: Using these similarities and differences, how would you transform f(x) = 2 sin(2x - ) + 3 into a cosine function in the form f(x) = a cos(bx - c) + d?