Mathematics
Senior High
Resolved
この3つの問題の解法が分かりません泣分かる人何故そうなるのかも含めて解説して頂けませんか。
=
Cos 35° Cos 145°
Sin 35° Sin 145
17) (sin 10° +.005.10°) ² + (sin 80° - cos foo)?
2
8 Sin 15° + Sin 175° + cos los° + cos 1650
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