Please help me out with these two problems. I really need the help

a. Review Preview -24. The sine and cosine functions can be classified as even, odd, or neither. The diagrams below show why. This shows that cos(-x) = _ and sin(-x) = b. Classify the y = sin x and y = cosx as either even or odd. y = sin x f(x) -X X A-x) 7-25 Write an equation (if possible) of a parabola that satisfies the following conditions: a. An even function. b. An odd function. c. Neither even nor odd. Chapter 7: Algebra for College Mathematics 331