e Edit View History Bookmarks People Window Help Do Homework

e Edit View History Bookmarks People Window Help Do Homework - Zahmeka Oflaherty Secure https://www.mathxl.comStudent/PlayerHomework.aspx?homeworkld-439076554&questionId;=1 mac1114Fall2017 Homework: Section 8.7 Suggested Homework Score: 1 of 1 pt 4of4(4 complete) 8.7.39 Establish the identity. cosx+ cosyxy sinx+ siny cot 2sinin x-y cosx+ cos y O A. sinx+ siny sinx + siny 2sinCOS2 x+y = sin x +sin y xy 2cos2 x+y cosx+ cosy OB. sinx+sin y x+y = cot- sin x+ sin y 2 sin -2-cos -2- 2 cos-cos xt y o cmr.sin,Sink.siny. 2sin x-ycos x 2 cos -cos cosx+ cos y xt y 2 sin COS cce Click to select your answer and then click Check Answer. Libra All parts showing Option Clear All OK F2 F3 FS F6

Solution

Here option B is correct.