787,000 in scientific notation

Which function is odd check all that apply a. y=sin x b. y=csc x c. y=cot x d. y=sec x

5, 6, 10 question: a. determine whether the side lengths form a triangle. (explain your reasoning) b. if it is a triangle, determine whether it is a right, acute, or obtuse triangle. (show your work)

Need plz been trying to do it for a long time and still haven’t succeeded