Mathematics
Senior High
有人有這個講義裡例題的詳解嗎
書裡怎著找都找不到
△ABC的正弦定理 Sin A
sin B
sin C
a
b
45°
1450
30°
B
總複習〈上季>
CN 通高中數學講義
+B)=sinAcosB+sinBcosA
tane, +tane₂
A tano,
E-WAY CLASS
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