Let (in radians) be an acute angle in a right triangle and let and , respectively, be the lengths of the sides adjacent to and opposite. Suppose also that and vary with time. At a certain instant units and is increasing at unit/s, while and is decreasing at units/s. How fast is changing at that instant?.

What are two basic questions you should ask yourself when contemplating career choices? a. what do i enjoy doing, and what do i hate doing? b. what are my least favorite subjects, and what do i do in my spare time? c. how do i discover what i like, and what do i talk about a lot? d. what do i enjoy doing, and what subjects do i like?