圖中問題點做? http://imgur.com/41GZCJi?

2015-11-22 5:32 am

回答 (2)

2015-12-11 7:13 am
tan30=(0-√3p)/(2p-5)
1/√3=(0-√3p)/(2p-5)
2p-5=-3p
p=1
2015-11-22 5:43 am
Sol
Tan30度=(0-√3p)/(2p-5)
1/√3=(0-√3p)/(2p-5)
2p-5=-3p
p=1


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