solve the following equations for 0<x<360 ( corr. to 3 sig. fig)
http://postimage.org/image/xahsvneuz/
F4 M2 Trigonometric equations!
2013-02-17 9:33 pm
回答 (2)
2013-02-17 9:55 pm
✔ 最佳答案
8 2(sinx)^2 - 2sinx - 1 = 0sinx = (2 - √12)/4 or (2 + √12)/4 (rejected)
sinx = (1 - √3)/2
sinx = -0.36602540378
x = 201.471 or 338.529
2013-02-17 11:25 pm
收錄日期: 2021-04-27 17:44:56
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20130217000051KK00167