There are mistakes in the following calculation. Correct the mistakes.
Solve tanθcosθ=0 for 0*≦θ≦90*
Solution:
tanθcosθ=0
tanθ=0 or cosθ=0
θ=o* or θ=90*
θ=0* or 90*
Math~Trigonometric Relations
2009-07-21 6:44 am
回答 (2)
2009-07-21 7:06 am
✔ 最佳答案
Solve tanθcosθ= 0 for 0<= θ<= 90degreeSol
tanθcosθ= 0
(sinθ/cosθ)*cosθ= 0
sinθ= 0
since 0<= θ<= 90degree
θ=0
＊ when 0= 90degree then tan 90degree 無意義
2009-07-21 7:43 pm
無意義-->UNDEFINED
收錄日期: 2021-04-13 16:44:25
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https://hk.answers.yahoo.com/question/index?qid=20090720000051KK02368