div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=document2016-2-21-1tan2a-cos-1cot2a-sin-1-cosct-a-ctkr-cosxll-j-2-tan3htmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: WordPresscom · 2016 2 21 · 1+tan2a= cos 1+cot2a= sin 1 cosct — ct#kr cosx+l=l J 2 tan3 y+2tqn x+3tan§£0 3 tijnj P Tel: 435373 sin a — sin tan = cos cosa — COS loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader033fdocumentsnetreader033viewer202206081960983f99d3815b714d1878eehtml5thumbnails1jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imageimg data-url=document2016-2-21-1tan2a-cos-1cot2a-sin-1-cosct-a-ctkr-cosxll-j-2-tan3htmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: WordPresscom · 2016 2 21 · 1+tan2a= cos 1+cot2a= sin 1 cosct — ct#kr cosx+l=l J 2 tan3 y+2tqn x+3tan§£0 3 tijnj P Tel: 435373 sin a — sin tan = cos cosa — COS loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader033fdocumentsnetreader033viewer202206081960983f99d3815b714d1878eehtml5thumbnails2jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=3Page 3button div class=trans-imageimg data-url=document2016-2-21-1tan2a-cos-1cot2a-sin-1-cosct-a-ctkr-cosxll-j-2-tan3htmlpage=3 data-page=3 class=trans-thumb lazyload alt=Page 3: WordPresscom · 2016 2 21 · 1+tan2a= cos 1+cot2a= sin 1 cosct — ct#kr cosx+l=l J 2 tan3 y+2tqn x+3tan§£0 3 tijnj P Tel: 435373 sin a — sin tan = cos cosa — COS loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader033fdocumentsnetreader033viewer202206081960983f99d3815b714d1878eehtml5thumbnails3jpg width=140 height=200 divdivdiv...