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Pre-calculus/Trigonometry problem 12?
2016-03-30 4:27 pm
回答 (2)
2016-03-30 4:39 pm
✔ 最佳答案
1. cot(A) = 1/tan(A)2. csc (A) = 1/sin(A)
3. cot (A) = cos(A) /sin(A)
4. 1+tan^2(A) = sec^2(A)
5. 1- cos^2(A) = sin^2(A)
2016-03-30 4:35 pm
1. cot(A) = 1/tan(A)
2. csc(A) = 1/sin(A)
3. cot(A) = cos(A)/sin(A)
4. 1 + tan²(A) = sec²(A)
5. 1 - cos²(A) = sin²(A)
2. csc(A) = 1/sin(A)
3. cot(A) = cos(A)/sin(A)
4. 1 + tan²(A) = sec²(A)
5. 1 - cos²(A) = sin²(A)
收錄日期: 2021-04-18 14:52:33
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20160330082731AAW22Tc