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Question:Referring to tje figure, find the value of (2 tan a)/(tan b)+1
(give the answer correct to 3 significant figures.)
I NEED STEP,PLZ!
Trigomometric ratios
2013-12-03 5:59 am
回答 (2)
2013-12-03 7:42 am
✔ 最佳答案
tan α = (2√2)/(3√3)tan β = (3√3)/(2√2)
2 tan α / (tan β + 1)
= 2 [(2√2)/(3√3)] / {[(3√3)/(2√2)] + 1]}
= 0.384 (3 sig. fig.)
(2 tan α / tan β) + 1
= {2 [(2√2)/(3√3)] / [(3√3)/(2√2)]} + 1
= (16/27) + 1
= 1.59 (3 sig. fig.)
參考: andrew
2013-12-04 1:55 am
But i use calculator cannot get this answer.HOw to use calculator to get it.
收錄日期: 2021-04-13 19:50:07
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20131202000051KK00177