sin53°是多少 cos53°与sin53°的值分别为？
sin103.4\u2103\u662f\u591a\u5c11\uff1f
\u5982\u4e0a\u56fe\u6240\u793a\u3002
cos53'=sin37=0.6 sin53=cos37=0.8
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sin53≈0.79
0.395925
绛旓細鍝ヤ滑锛屼綘杩欎釜搴旇鏄釜瑕佹嬁璁＄畻鍣ㄧ畻鐨勶紝鎴栬呭氨鏄湁涓皬鍐屽瓙锛屼綘瑕佹煡鐨 绛旀 sin53=0.39592515 淇濈暀鍑犱綅灏忔暟锛岃嚜宸卞畾澶
绛旓細sin37掳=3/5锛sin53掳=4/5銆傚湪RT鈻矨BC涓紝濡傛灉閿愯A纭畾锛岄偅涔堣A鐨勫杈逛笌鏂滆竟鐨勬瘮渚块殢涔嬬‘瀹氾紝杩欎釜姣斿彨鍋氳A鐨勬寮︼紝璁颁綔sinA锛屽嵆sinA=瑙扐鐨勫杈/瑙扐鐨勬枩杈广傚悓鏍凤紝鍦≧T鈻矨BC涓紝濡傛灉閿愯A纭畾锛岄偅涔堣A鐨勯偦杈逛笌鏂滆竟鐨勬瘮渚块殢涔嬬‘瀹氾紝杩欎釜姣斿彨鍋氳A鐨勪綑寮︼紝璁颁綔cosA锛屽嵆cosA=瑙扐鐨勯偦杈/...
绛旓細sin37掳 = 0.5878锛sin53掳 = 0.798銆備笅闈㈣繘琛 棣栧厛锛屾垜浠煡閬撲笁瑙掑嚱鏁颁腑鐨勬寮﹀艰〃绀轰竴涓涓庝竴涓崟浣嶅渾浜ょ偣澶勭殑y鍧愭爣鍊笺傚浜庣壒瀹氱殑瑙掑害濡俿in37掳锛屽畠琛ㄧず涓涓洿瑙掍笁瑙掑舰涓殑涓涓鏄攼瑙37搴︽椂锛屽搴旂殑杈逛笌鍏跺杈圭殑姣斿煎叧绯汇傚湪璁＄畻sin鍊兼椂锛屾垜浠氬父浣跨敤涓夎鍑芥暟鐨勭壒娈婂艰〃鎴栦娇鐢ㄨ绠楀櫒鏉ュ緱鍒...
绛旓細sin(37掳) = 0.60181502315205銆Sin53搴︾瓑浜 0.79863銆
绛旓細sin53搴﹀寲涓哄垎鏁鏄灏= =sin 53掳 鍏跺疄灏辨槸鈥滃嬀涓夎偂鍥涚巹浜斺濈殑涓夎褰傘俿in鏄杈规瘮鏂滆竟銆傛墍浠sin53掳=4:5 绛変簬4/5 濡傛湁鐤戦棶鍙拷闂,婊℃剰璇峰強鏃堕噰绾斥槄 鏈夐棶棰樻杩庡悜鎴戙愬畾鍚戞眰鍔┿戝摝 鎴戝皢鍦ㄧ涓鏃堕棿
绛旓細cos53'=sin37=0.6 sin53=cos37=0.8 涓夎鍑芥暟鏄熀鏈垵绛夊嚱鏁颁箣涓锛屾槸浠ヨ搴︼紙鏁板涓婃渶甯哥敤寮у害鍒讹紝涓嬪悓锛変负鑷彉閲忥紝瑙掑害瀵瑰簲浠绘剰瑙掔粓杈逛笌鍗曚綅鍦嗕氦鐐瑰潗鏍囨垨鍏舵瘮鍊间负鍥犲彉閲忕殑鍑芥暟銆備篃鍙互绛変环鍦扮敤涓庡崟浣嶅渾鏈夊叧鐨勫悇绉嶇嚎娈电殑闀垮害鏉ュ畾涔夈備笁瑙掑嚱鏁板湪鐮旂┒涓夎褰㈠拰鍦嗙瓑鍑犱綍褰㈢姸鐨勬ц川鏃舵湁閲嶈浣滅敤锛屼篃鏄爺绌...
绛旓細濡傛灉绮楃暐璁＄畻锛sin53掳=4/5銆傚鏋滅簿纭绠楃殑璇漵in[arcsin(4/5)]=3/5銆傚洜涓4/5涓嶆槸鍍1/2, 鈭3/2锛屸垰2/2涓鏍风殑鐗规畩姝ｅ鸡鍊硷紝鎵浠ュ畠瀵瑰簲鐨勮搴﹂渶瑕佺敤鍙嶆寮﹀嚱鏁版潵琛ㄧず銆傚弽姝ｅ鸡鍑芥暟瀹氫箟锛氭寮﹀嚱鏁皔=sinx锛寈鈭圼-½蟺,½蟺]鐨勫弽鍑芥暟鍙仛鍙嶆寮﹀嚱鏁帮紝璁颁綔y=arcsinx锛寈鈭圼-1,1]銆
绛旓細鍜变滑绠楅鐨勬椂鍊欙紝涓鑸寜绾︾瓑浜庣畻锛宑os53=0.6锛sin53=0.8銆傛暀浣犳庢牱璁板緱娣卞埢锛岃繖涓紝鍏跺疄灏卞彲浠ヨ鎴愶紝鍕句笁鑲″洓寮︿簲鐨勨滄爣鍑嗏濈洿瑙掍笁瑙掑舰銆53搴︽濂芥槸闀垮害涓 4 鐨勭洿瑙掕竟鎵瀵圭殑瑙掋傚鏋滀綘鎯宠绮剧‘鐨勬暟锛屽彲浠ョ敤璁＄畻鍣ㄦ寜涓涓嬨
绛旓細sin37掳=0.6 cos37掳=0.8 tan37掳=0.75 cot37掳=1.33 sin53掳=0.8 cos53掳=0.6 tan53掳=1.3 cot53掳=0.75
绛旓細tan53搴︾瓑浜sin53搴﹂櫎浠os53搴︼紝鐢变笁瑙掑嚱鏁拌〃锛屽彲鐭in53搴︾瓑浜庝簲鍒嗕箣鍥涳紝cos53搴︾瓑浜庝簲鍒嗕箣涓夛紝鎵浠an53搴︾瓑浜庝簲鍒嗕箣鍥涢櫎浠ヤ簲鍒嗕箣涓夛紝鍗充笁鍒嗕箣鍥涖倀an澶氬皯搴﹁〃绀烘鍒囧嚱鏁帮紝姝ｅ垏鍑芥暟鏄洿瑙掍笁瑙掑舰涓紝瀵硅竟涓庨偦杈圭殑姣斿笺
