Show that each of the following statements is an identity by transforming the left side of each one into the right side 43 cos tan 0 sin 0 45 sin sec 0 cot 0 1 47 49 csc 0 cot 0 sec 8 csc sec 0 tan 8 44 sin cot cos 0 46 cos csc tan 0 1 48 50 sec 8 tan 8 csc 8 sec 8 csc 8 cot 0