Find all solutions of the equation.(1) cos x+1=0(2)2 sin x-1=0(3)√3tan x+1=0(4)4 cos
【解析】Problem 14:Solution:(1-√5)/2 The equation can be written asx⋅|x-1|+1=0 (34)Sox⋅|x-1|=-1 x⋅|x-1|0 x0,x- x0,x- x-10Equation (34)becomes-x(x -1)+1=0.Hencex^2-x-1=0 Sox=(1±√5)/2 x=(1±√5)/20(cxtrancous) Therefore te_1lnin_2inx=(...
百度试题 结果1 题目In Exercise, find all solutions of the equation. Check your solutions. 相关知识点: 试题来源: 解析反馈 收藏
+⋯=0 . If x ≥q 0, then f(x) ≥q 1 and there are no solutions of the equation. Note that f(-x^2)=1-(x^2)(2 !)+(x^4)(4 !)-(x^6)(6 !)+(x^8)(8 !)-⋯=cos x . The solutions of cos x=0 for x<0 are given by x=π2-π k, where k is a p...
Find all solutions to the equation below on the given interval. ( )3sin u=-4sin ^2u-cos 2u; [0,2π ) A. \( (7π )6, (3π )2, (11π )6\) B. \( (4π )3, (3π )2, (5π )3\) C. \( (π )6, (π )2, (5π )6\) D. \( (3π )4,π , (5π ...
Find all solutions of the following equation: x+|x+1|−|x+2|=−2. 相关知识点: 试题来源: 解析-3; -1(1)If x≤−2, the equation is equivalent tox−x−1−−x−2=−2−1+x+2=−2x+1=−2x=−3(2)If −2x...
百度试题 结果1 题目Find all solutions of equation on the interval [0, 2π].√2 sin θ +1=0 相关知识点: 试题来源: 解析 (5 π )4, (7 π )4 反馈 收藏
Find all solutions of the equation in the interval [0,2π) .cscθ-2=0 Write your answer in radians in terms of t.If there is more than one solution, separate them with commas. 相关知识点: 试题来源: 解析 Cc-220 1/(sinθ)=2 Sime-t sinθ=sinπ/6,sin(5π)/6 θ=π/(6) ...
解析 Let f(x) denote the left-hand side of the equation . If , then and there are no solutions of the equation. Note that . The solutions of for x<0 are given by , where k is a positive integer. Thus, the solutions of f(x)=0 are , where k is a positive integer. ...
Find all solutions of the equation.(Enter your answer in the form a + bπn,where a[0,2π),b is the smallest possible positive number,and n represents any integer.Round a to four decimal places.) cot(x)=-0.237 x=? 我输入 arccot(-0.237)+ nπ 是错的......