***Easier to read from pdf Math 142

Name:____________________________________ Homework 3

Question

=sin????+cos????

***Also a third question in the pdf with a picture the text is as follows:

In the following figure AB = CD = 1 and BC = 2, find alpha + beta and express your answer using radian measure. Do not use decimals. give the exact value. hint: find cos(alpha+beta)

Math