What you are writing simply doesn't make sense. F(x)= -f(-x)onlyfor x<0 so youcannothave " " for . If then F(x)= 0. If then F(x)= sin(x). If , F(x)= 0. For negative values of x, reverse those: if then so F(x)= -f(-x)= 0. If then so F(x)= -f(-x)= -sin(-x)= sin(x). If then so F(x)= -f(-x)= 0.