MAT 172 Chapter 6 Test 2 Take-Home Name : Sydnie Parry Prove the following identity 1 . (10 points) 1+sino _1-sine LAS 1 - sine 1+sine = 4 sec 0 tan 0 ( 1 - sing ! ( Itsin Q ) I-sing ( It sino) ( Itsing ) 1- sing itsing (1-sino) = ( 1 - sinQ) ? + (1 + sino) ? ( 1+ sing ) ( 1-sing ) ( Itsing ) ( 1-sing ) 2. (5 points) tan'0 cos* ( + cot' 0 sin' 0 = 1 sinzo . Cost + coszo. coszo = 1 Coszo oinza Sinz& + coszo = 1 1 = 1