Use the given information to fnd each of the following. cos u 2 , given cos u = - 1 2 , 90 6 u 6 180

L20 - 6 Recall the following: If x>d0a y> 0, 1. ln(xy)= ▯ ▯ x 2. ln = y y 3. ln(x )= We can use these properties to write a complicated logarithmic function into a form involving sums and diﬀerences, which are easier to diﬀerentiate. ▯ x +2 x ex. Find f (x)i f(x)=n l . 2x − 6