div class=trans-pagebuttonPage 1button div class=trans-image a href=https:reader030fdocumentsinreader030viewer202202220158a1026d1a28abbf248b6937html5page1jpg target=_blank amp-img class=trans-thumb alt=Page 1: Day 11 examples u4f13 src=https:reader030fdocumentsinreader030viewer202202220158a1026d1a28abbf248b6937html5thumbnails1jpg width=142 height=106 layout=responsive amp-imga divpWarm-up!pdivdiv class=trans-pagebuttonPage 2button div class=trans-image a href=https:reader030fdocumentsinreader030viewer202202220158a1026d1a28abbf248b6937html5page2jpg target=_blank amp-img class=trans-thumb alt=Page 2: Day 11 examples u4f13 src=https:reader030fdocumentsinreader030viewer202202220158a1026d1a28abbf248b6937html5thumbnails2jpg width=142 height=106 layout=responsive amp-imga divpWe need: y = AsinBx - C + Dp py = AcosBx - C + Dp pNew period: 2p pbpdivdiv class=trans-pagebuttonPage 3button div class=trans-image a href=https:reader030fdocumentsinreader030viewer202202220158a1026d1a28abbf248b6937html5page3jpg target=_blank amp-img class=trans-thumb alt=Page 3: Day 11 examples u4f13 src=https:reader030fdocumentsinreader030viewer202202220158a1026d1a28abbf248b6937html5thumbnails3jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=trans-pagebuttonPage 4button div class=trans-image a href=https:reader030fdocumentsinreader030viewer202202220158a1026d1a28abbf248b6937html5page4jpg target=_blank amp-img class=trans-thumb alt=Page 4: Day 11 examples u4f13 src=https:reader030fdocumentsinreader030viewer202202220158a1026d1a28abbf248b6937html5thumbnails4jpg width=142 height=106 layout=responsive amp-imga divdiv