Solve the multiple-angle equation.(Enter your answers as a comma-separated list. Use n as an integer constant. Enter your response in radians
2 sin 2x + sqrt3 = 0
x=?
Solve the multiple-angle equation.(Enter your answers as a comma-separated list. Use n as an integer constant. Enter your response in radian?
2016-06-24 11:44 am
回答 (1)
2016-06-24 12:00 pm
2 sin 2x + √3 = 0
2 sin 2x = -√3
sin 2x = -(√3)/2
2x = 2nπ + (-π/3), (2n + 1)π - (-π/3)
x = nπ - (π/6), [(2n + 1)π/2 + (π/3)]
2 sin 2x = -√3
sin 2x = -(√3)/2
2x = 2nπ + (-π/3), (2n + 1)π - (-π/3)
x = nπ - (π/6), [(2n + 1)π/2 + (π/3)]
收錄日期: 2021-04-18 15:15:16
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20160624034401AAqVNfc