div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=document1830-90-t-f-c-a-e-an-cos-na-bn-sin-nc-o-f-c-a-e-an-coshtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: 18:30 90 T f c = — + E an cos na + bn sin nc O …f c = — + E an cos na + bn sin nc O bnn = 1 2 f@ cos nadc f c sin ncdc b X an 1 l an n = 2 c e e loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader033fdocumentpubreader033viewer20220605155f8f89dbf8c91c08a059db4ahtml5thumbnails1jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imageimg data-url=document1830-90-t-f-c-a-e-an-cos-na-bn-sin-nc-o-f-c-a-e-an-coshtmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: 18:30 90 T f c = — + E an cos na + bn sin nc O …f c = — + E an cos na + bn sin nc O bnn = 1 2 f@ cos nadc f c sin ncdc b X an 1 l an n = 2 c e e loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader033fdocumentpubreader033viewer20220605155f8f89dbf8c91c08a059db4ahtml5thumbnails2jpg width=140 height=200 divdiv