F.4-----trigonometry**
2010-01-05 2:36 am
If 5cotθ - cscθ - 5 = 0, where 0 ≦θ <2π, find θ. (Give your answers correct to 3 sig. fig.)
回答 (1)
2010-01-05 2:53 am
收錄日期: 2021-04-13 17:01:25
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