sin11π6. Using the Reference Angle to Determine the Value of Trigonometric Function:In a unit circle, the right triangle is placed in the first quadrant of the rectangular coordinate system. Therefore, we can determine the values of the trigonometric functions in the first quadrant and if ...
) 2 -2sin30°. 扫码下载作业帮拍照答疑一拍即得 答案解析 查看更多优质解析 举报 分析:利用平方和三角函数的运算法则进行运算.原式=-4+12-1=7.点评:本题考查实数的运算能力,解决此类题目的关键是熟练地运用平方运算和牢记三角函数的特殊值. 解析看不懂?免费查看同类题视频解析查看解答 ...
计算或化简:(1) -sin30°. (2) . 数学作业帮用户2017-03-18 举报 用这款APP,检查作业高效又准确! 扫二维码下载作业帮 拍照搜题,秒出答案,一键查看所有搜题记录 优质解答 作业帮用户 2017-03-30 举报 扫描下载二维码 ©2020 作业帮 联系方式:service@zuoyebang.com 作业帮协议 ...
DEGGSEAMouse modelSPG11Spastic paraplegiaTranscriptomic analysisHereditary spastic paraplegia (HSP) encompasses a group of rare genetic diseases primarily affecting motor neurons. Among these, spastic paraplegia type 11 (SPG11) represents a complex form of HSP caused by deleterious variants in the SPG11...
Answer to: Given cos(t) = -9/11, where pi less than t less than 3pi/2, find the values of the following trigonometric functions. A) cos(2t) B)...
sin多少度等于三分之根号五?sin多少度等于三分之根号五?sinθ=√5/3，则θ=arcsin√5/3+(-1)^K...
36θγsinsin11 na 11θγϕcoscossin111 dx RxLl θtan1 312sinsinnaγγ lxa1tanβ22γθϕ 则光在球面上的入射角为 Rlxa2212sinsinϕβα 40αθγ2sinsinsinsin31134nnanna 414213sinsinγγnna 43下面利用矩阵光学的方法求出子午面、弧失面的传输矩阵 并结合ABCD法则算出高斯光束从端面1到球...
SINEX Industrie Shanghai HangOu Mechanical & Electrical Equipment Co., Ltd. was established in 2006, and is specializing in the import of mechanical & electrical equipment spare parts, instruments and other products and brands of worldwide. These products are widely used in metallurgy, iron and ...
deg, degrees. C, analysis of Hα chemical shift differences with respect to random coil values (30). Sequential crowding of positive values in the bottom chemical shift index (CSI) plot indicates helical structures. Secondary structure elements are supported by a modified D2O exchange experiment. ...
Aircraft: McDonnell Douglas MD-11(F) Airline: Western Global Airlines Serial #: 48783 Photo Location Hong Kong-Chek Lap Kok Int'l Airport - VHHH China (Hong Kong) Photographer Jack Sin Photos | Profile | Contact Barry Van Geerdeghom N783SN 343 8 0 McDonnell Douglas MD-11(F) ...