Mathematics
Senior High
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想問11
rust (1)
nie (
asing + sin 3) = 13
11. 設 cosa, cos B 為方程式 32x²-16x+1=0的兩根,求cos(a+B)cos(a-B)之值。
【中文
[提示:參閱演練4]
162√16-413241
6442
= 1052-(1-1058)
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![rust (1) nie ( asing + sin 3) = 13 11. 設 cosa, cos B 為方程式 32x²-16x+1=0的兩根,求cos(a+B)cos(a-B)之值。 【中文 [提示:參閱演練4] 162√16-413241 6442 = 1052-(1-1058)](https://d1e9oo257tadp1.cloudfront.net/uploads/qa_question_image/file/1773048/webp_C6DEBF91-6A5A-41D0-B8DC-E97398A2A3C8.webp?Expires=1783083171&Signature=eCshU~3ZxlaDUJIvGWh8866Lv7muAt83XOEd8tHoluVYDMTH2w40n-LopOGX5xrSCZosCraHw14ne8qJIr3c4hspDsyIomzGTf4wfY71A2palwj1rW7tTeFEodtDteE65Q1iw6oMkJlRReQrLfAsPBYpvivrqvOS475TG1ToKUMuHsmWX6j1sW1ZWUjwmjxCAhJIR~8YAFz4mCGdQy-othHVx0gKC8e0ExcnsCY65eDoxU2BMj6KHJtl8TZ7T5JOOwW~3BJ170T39~85J1QsCeRpB00hkevRpsvnj4sNCvUcmsGhAc6FOQjqqAoHD1TOG3xTMJLudfJPjKOd272y8w__&Key-Pair-Id=K2W722D70GJS8W&Expires=1783083171&Signature=kuT1o3J9AyTvGYOSDFKjZ4sWSw~c8jTcxj86cjXMFtD8dpOML3q1z7pjK0KNxQC8~lJMF5s2AlHRru0uA3idxnsKGYB4uMUWioppFaXRywIDhkgyZbNk1nCew9WWX2MygHyRwk1~VZMGckHIfAHpPjEr26UpUTH2eFJ-7BvpzT5RqYlgk8-HLubl~tubayDdpevu4wuzuTdDDUHVsW56mzqsLaUMPv61AP~w-NEtJxCWaJj73QboFgwcjJqySvFBk9~mAoCITBzEDEMAPdcFEFVCUFlspy6pNm5H9hllmBPmBzkg-Jm3QYs0J-GB9gmFsym5xDTjgaej4oOByHaOVg__&Key-Pair-Id=K2W722D70GJS8W){kind=link}
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