div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: · 2019-09-06 · -23J£27Ð nÚi+40m 150 h L = H cot h El El 8 62 + 6—30 0 -20 sin A = cosô sin t cosh 6-2 21m 40m : 40m X 3 15m X 1 60m 25m 80m 009 86-3 src=https:reader034vdocumentsusreader034viewer20220502005f536f2f91e90338d7376b94html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 2button div class=ts-image amp-img class=ts-thumb alt=Page 2: · 2019-09-06 · -23J£27Ð nÚi+40m 150 h L = H cot h El El 8 62 + 6—30 0 -20 sin A = cosô sin t cosh 6-2 21m 40m : 40m X 3 15m X 1 60m 25m 80m 009 86-3 src=https:reader034vdocumentsusreader034viewer20220502005f536f2f91e90338d7376b94html5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 3button div class=ts-image amp-img class=ts-thumb alt=Page 3: · 2019-09-06 · -23J£27Ð nÚi+40m 150 h L = H cot h El El 8 62 + 6—30 0 -20 sin A = cosô sin t cosh 6-2 21m 40m : 40m X 3 15m X 1 60m 25m 80m 009 86-3 src=https:reader034vdocumentsusreader034viewer20220502005f536f2f91e90338d7376b94html5thumbnails3jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 4button div class=ts-image amp-img class=ts-thumb alt=Page 4: · 2019-09-06 · -23J£27Ð nÚi+40m 150 h L = H cot h El El 8 62 + 6—30 0 -20 sin A = cosô sin t cosh 6-2 21m 40m : 40m X 3 15m X 1 60m 25m 80m 009 86-3 src=https:reader034vdocumentsusreader034viewer20220502005f536f2f91e90338d7376b94html5thumbnails4jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 5button div class=ts-image amp-img class=ts-thumb alt=Page 5: · 2019-09-06 · -23J£27Ð nÚi+40m 150 h L = H cot h El El 8 62 + 6—30 0 -20 sin A = cosô sin t cosh 6-2 21m 40m : 40m X 3 15m X 1 60m 25m 80m 009 86-3 src=https:reader034vdocumentsusreader034viewer20220502005f536f2f91e90338d7376b94html5thumbnails5jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 6button div class=ts-image amp-img class=ts-thumb alt=Page 6: · 2019-09-06 · -23J£27Ð nÚi+40m 150 h L = H cot h El El 8 62 + 6—30 0 -20 sin A = cosô sin t cosh 6-2 21m 40m : 40m X 3 15m X 1 60m 25m 80m 009 86-3 src=https:reader034vdocumentsusreader034viewer20220502005f536f2f91e90338d7376b94html5thumbnails6jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 7button div class=ts-image amp-img class=ts-thumb alt=Page 7: · 2019-09-06 · -23J£27Ð nÚi+40m 150 h L = H cot h El El 8 62 + 6—30 0 -20 sin A = cosô sin t cosh 6-2 21m 40m : 40m X 3 15m X 1 60m 25m 80m 009 86-3 src=https:reader034vdocumentsusreader034viewer20220502005f536f2f91e90338d7376b94html5thumbnails7jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 8button div class=ts-image amp-img class=ts-thumb alt=Page 8: · 2019-09-06 · -23J£27Ð nÚi+40m 150 h L = H cot h El El 8 62 + 6—30 0 -20 sin A = cosô sin t cosh 6-2 21m 40m : 40m X 3 15m X 1 60m 25m 80m 009 86-3 src=https:reader034vdocumentsusreader034viewer20220502005f536f2f91e90338d7376b94html5thumbnails8jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 9button div class=ts-image amp-img class=ts-thumb alt=Page 9: · 2019-09-06 · -23J£27Ð nÚi+40m 150 h L = H cot h El El 8 62 + 6—30 0 -20 sin A = cosô sin t cosh 6-2 21m 40m : 40m X 3 15m X 1 60m 25m 80m 009 86-3 src=https:reader034vdocumentsusreader034viewer20220502005f536f2f91e90338d7376b94html5thumbnails9jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 10button div class=ts-image amp-img class=ts-thumb alt=Page 10: · 2019-09-06 · -23J£27Ð nÚi+40m 150 h L = H cot h El El 8 62 + 6—30 0 -20 sin A = cosô sin t cosh 6-2 21m 40m : 40m X 3 15m X 1 60m 25m 80m 009 86-3 src=https:reader034vdocumentsusreader034viewer20220502005f536f2f91e90338d7376b94html5thumbnails10jpg width=142 height=106 layout=responsive amp-img divdiv