Answer to: If cos x = tan y , cos y = tan z , cos z = tan x ,then find sin x . By signing up, you'll get thousands of step-by-step solutions to...
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Differential equations can be solved in a variety of ways. The complementary function and specific integral must first be located in order to arrive at the general solution of the differential equation, which is as follows y(x)=yc+yp. Answer and Explanation...
Answer to: Find the exact value for sin(x + y) if sin x = -4/5 and cos y = 15/17. Angles x and y are in the fourth quadrant. By signing up, you'll...
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A. cos(x) B. -cos(x) C. sin(x) D. -sin(x) 相关知识点: 试题来源: 解析 A。根据求导公式,sin(x) 的导数是 cos(x)。选项 B 是 cos(x) 的相反数。选项 C 是原函数。选项 D 是 -sin(x),不符合求导结果。反馈 收藏
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A 合格 您可以使用此数据执行简单的 IF 比较。以下是使用 IF 函数的一些方式: 基于条件返回文本值: 此公式中使用了以下参数: 条件表达式:D2≥60,可检查学生分数是否大于或等于 60。 IF 为 TRUE:"合格",如果单元格 D2 中的字符串大于或等于 60,则返回该值。
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>>> y=int(4.8) #截取把浮点数小数点右边的部分去掉 >>> print(x,y,x-y) 17 4 13 将一个字符串转换为一个整数时,python语言假定该数值使用十进制表示。可以为该数值指定另外一种进制。 >>> hex_number="a1" >>> print(int(hex_number,16)) ...