trigonometric[英][ˌtrɪɡənə'metrɪk]这个单词，音标tri百度发[踹],我记得tr

肥皂ww2022-10-04 11:39:543条回答

trigonometric
[英][ˌtrɪɡənə'metrɪk]
这个单词，音标tri百度发[踹],我记得tri不是发[吹/锤瑞]吗？我记错了还是

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200分求数学题Trigonometric functions are used extensively in the 200分求数学题 Trigonometric functions are used extensively in the design of industrial robots.Suppose that a robot's shoulder joint is motorized so that the angle θ increases at a constant rate of 派/12 radian per second from an initial angle of θ = 0.Assume that the elbow joint is always kept straight and that the arm has a constant length d = 163 centimeters,as shown in the figure. 第一问问已经截图了 第二问是,Find the total distance that the hand moves.(Round your answer to two decimal places.) lin200620071年前5: q30264 共回答了26个问题 | 采纳率92.3%

第一问每一行从左到右
0 30.00
π/12 72.19
π/6 111.50
π/4 145.26
π/3 171.26
5π/12 187.45
π/2 193.00
第二问是求一段弧长
the hand 转过了π/2 rad,弧长为163π/2≈256.04cm.
（图中的h应该是L）

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谁能告诉我这里面有没有语法错误,Trigonometric occupies an important position 谁能告诉我这里面有没有语法错误,Trigonometric occupies an important position in the element 耀寒1年前6: happy_jun 共回答了19个问题 | 采纳率94.7%

应该是没有语法错误的,因为Trigonometric 也可以作名词,表示一种方法,谓语动词用单数

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