div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=document-s-e-t-osa-q-tan2x-a-1-cos2x-o-csc-2-coxo-q-tan2x-a-1-cos2x-o-csc-htmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: s e t OSA q tan2x — 1 COS2x o csc * - 2 co£x:o …q tan2x — 1 COS2x o csc * - 2 co£x:o cosx— Sr-r 2cos2x-cosx= 2 cos 2 COS x 4 —o cosx—l = o Sec x — I Sec x = 2 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader030fdocumentsinreader030viewer20220408065e45b90229c2001eaf42f8dfhtml5thumbnails1jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imageimg data-url=document-s-e-t-osa-q-tan2x-a-1-cos2x-o-csc-2-coxo-q-tan2x-a-1-cos2x-o-csc-htmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: s e t OSA q tan2x — 1 COS2x o csc * - 2 co£x:o …q tan2x — 1 COS2x o csc * - 2 co£x:o cosx— Sr-r 2cos2x-cosx= 2 cos 2 COS x 4 —o cosx—l = o Sec x — I Sec x = 2 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader030fdocumentsinreader030viewer20220408065e45b90229c2001eaf42f8dfhtml5thumbnails2jpg width=140 height=200 divdiv