Find the point of continuity of f(x)=sin x -cos x, if x≠0-1,if x=0

Find the point of continuity of $f (x) = \{\begin{cases} \sin x - \cos x & , i f x \neq 0 \\ - 1 & , i f x = 0 \end{cases}$

Mixed-up sentence exercise

Put the parts in order to form a sentence. When you think your answer is correct, click on "Check" to check your answer. If you get stuck, click on "Hint" to find out the next correct part.