A. Maths. Trigonometry Question

oscar

1)               1-sec(90-A)-cot(360-A)           cot A
Prove that -------------------------------------- = --------------- .
                1+sec(270+A)+cot(180-A)     1+cosec A

oscar

有無人答到我呢題數？

細薯

i don't know.....

oscar

那麼我的題目真的很難嗎？

orb

高難度

oscar

只是中四的Level2問題...並不是past paper問題來的...

水龍蜥

Originally posted by oscar at 2005-1-7 09:20 PM:
只是中四的Level2問題...並不是past paper問題來的...

你都識講中四la,我地先得f1,f2

oscar

Originally posted by 水龍蜥 at 2005-1-7 21:22:

你都識講中四la,我地先得f1,f2

有人係中四ga ma...
今次落雷唔識？

水龍蜥

Originally posted by oscar at 2005-1-7 09:24 PM:


有人係中四ga ma...
今次落雷唔識？

落雷都冇上,佢知答你?

oscar

Originally posted by 水龍蜥 at 2005-1-7 21:26:

落雷都冇上,佢知答你?

我尋日見到佢有睇呢個post...