div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: · If sinA + sin3A cos2A prove that cos6A — 4cos4A + 8cos2A 4 sinA cosA Prove that e90f11 1 -- cosA sinA cosA 1 + sinA 1 + sinA cosA 4 cosecA 30 31 -inA cosA src=https:reader034fdocumentpubreader034viewer20220507205adb623f7f8b9a6d7e8de4f3html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 2button div class=trans-image amp-img class=trans-thumb alt=Page 2: · If sinA + sin3A cos2A prove that cos6A — 4cos4A + 8cos2A 4 sinA cosA Prove that e90f11 1 -- cosA sinA cosA 1 + sinA 1 + sinA cosA 4 cosecA 30 31 -inA cosA src=https:reader034fdocumentpubreader034viewer20220507205adb623f7f8b9a6d7e8de4f3html5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 3button div class=trans-image amp-img class=trans-thumb alt=Page 3: · If sinA + sin3A cos2A prove that cos6A — 4cos4A + 8cos2A 4 sinA cosA Prove that e90f11 1 -- cosA sinA cosA 1 + sinA 1 + sinA cosA 4 cosecA 30 31 -inA cosA src=https:reader034fdocumentpubreader034viewer20220507205adb623f7f8b9a6d7e8de4f3html5thumbnails3jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 4button div class=trans-image amp-img class=trans-thumb alt=Page 4: · If sinA + sin3A cos2A prove that cos6A — 4cos4A + 8cos2A 4 sinA cosA Prove that e90f11 1 -- cosA sinA cosA 1 + sinA 1 + sinA cosA 4 cosecA 30 31 -inA cosA src=https:reader034fdocumentpubreader034viewer20220507205adb623f7f8b9a6d7e8de4f3html5thumbnails4jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 5button div class=trans-image amp-img class=trans-thumb alt=Page 5: · If sinA + sin3A cos2A prove that cos6A — 4cos4A + 8cos2A 4 sinA cosA Prove that e90f11 1 -- cosA sinA cosA 1 + sinA 1 + sinA cosA 4 cosecA 30 31 -inA cosA...