sin ϕ = sin θ [ (m-1)/(m+1) ]
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更新1:
Michael : Hi. Appreciable approach . Very nice.
If an angle (θ) is divided in two parts such that the Tangent of one part is (m) times the Tangent of the other, then prove that their ...?
2021-02-13 10:39 pm
If an angle (θ) is divided in two parts such that the Tangent of one part is (m) times the Tangent of the other, then prove that their difference (ϕ) is obtained from the equation
sin ϕ = sin θ [ (m-1)/(m+1) ]
31/55
sin ϕ = sin θ [ (m-1)/(m+1) ]
31/55
回答 (1)
收錄日期: 2021-04-25 14:13:47
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20210213143927AAeeubg