初中数学三角函数是最难的,下面初三网小编就为大家整理一下正弦余弦正切函数值表:三角函数数值表大全Rad弧度Deg度Sin正弦Cos余弦Tan正切Cse余割Sec正割Cot余切懒人计算器.000000.00001.0000.0000---1.0000---901.5707.017501.0175.9998.017557.29871.000257.2900891.5
· tan 88 °· tan 89 °的值吗? 答案 (1)1;1;1;1;(2)1;1;(3)90°-α;互为余角的两个锐角的正切值互为倒数;1 (1)按MODE,出现:DEG,按tan,1,“.”,“×”,按tan,89,“.”, =,显示:1;按AC,tan,2,“.”,“×”,按tan,88,“.”, =,显示:1;…按AC,tan,44,“.”,“×”,...
tan70°+tan50°-的值等于( )A.B.C.D. 扫码下载作业帮搜索答疑一搜即得 答案解析 查看更多优质解析 解答一 举报 解析看不懂?免费查看同类题视频解析查看解答 特别推荐 热点考点 2022年高考真题试卷汇总 2022年高中期中试卷汇总 2022年高中期末试卷汇总 2022年高中月考试卷汇总 二维码 回顶部©2021 作业帮 ...
【题文】用计算器求下列锐角三角函数值:sin 15°32', cos 49°18', tan 88°43' 答案 【答案】0.267799;0.652098;44.6363.【解析】【分析】打开科学计算器,启动开机键后,使显示器上方显示DEG(如果没有显示DEG,可以按DR1键),然后按相应的三角比的名称,再输入锐角的度数,按DMS,输入度数,按“=”键后,...
Calculate the value of the tan of -10.5 radians To enter an angle in degrees, enter tan(-10.5) or tan(-10.5DEG) tan(-10.5 radians) = -1.84989999342193 Tangent the tangent of an angle is the ratio ... How do you use a calculator to approximate arctan0.92 ? https://socratic.org/qu...
2.1.88 Part 1 Section 17.3.2.26, rFonts (Run Fonts) 2.1.89 Part 1 Section 17.3.2.27, rPr (Previous Run Properties) 2.1.90 Part 1 Section 17.3.2.28, rPr (Run Properties) 2.1.91 Part 1 Section 17.3.2.29, rStyle (Referenced Character Style) 2.1.92 Part 1 Section 17.3.2.30...
producing environment-friendly goat glove leather with soft, plumpy, highly resilient, and flowing hand feeling, smooth grain, brilliant color, qualified formaldehyde content as ecological leather, over 88 DEG C shrinkage temperature, and completely same mechanical property as routine chrome tannage leath...
Deep 360 Pilot: Learning a Deep Agent for Piloting Through 360deg Sports Videos CVPR code 27 Neural Message Passing for Quantum Chemistry ICML code 27 State-Frequency Memory Recurrent Neural Networks ICML code 27 DeepCD: Learning Deep Complementary Descriptors for Patch Representations ICCV code 26 ...
{integrity: sha512-kXzXMMRzAtJdDEgQBLF4oaiT6ZCU3oWHgpARnTKDAqPkDJ+bs3NrZb310YYevR5QlRo3Kn7dzzIdHbZm1VzJdQ==} engines: {node: '>=6.9.0'} peerDependencies: '@babel/core': ^7.0.0-0 '@babel/plugin-transform-duplicate-keys@7.25.7': resolution: {integrity: sha512-by+v2CjoL3aMnWDOyC...
如图.四边形ABCD是正方形.△ECF是等腰直角三角形.其中CE=CF.G是CD与EF的交点.(1)求证:△BCF≌△DCE,(2)若∠BFC=90°.S△CFG﹕S△DEG=9﹕16.求tan∠FBC的值.