Cos^2a+sin^2a. cos2b=cos^2b+sin^2b. cos2a

Ajar contains a mixture of 20 black marbles, 16 red marbles, and 4 white marbles, all the same size. find the probability of drawing a white or red marble on the first draw. 125 12 01 next question ask for turn it in

The number of branches on a tree demonstrates the fibonacci sequence. how many branches would there be on the next two levels of this tree? 13 | | | m branches

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)