Mathematics
Senior High
(3)の答えはなぜマイナスがつくのでしょうか。
Ss05s180' で, tan0wー2のとき, 次の各式の値を求めよ。
Q⑪ tam9 9 Gy ⑲ es2 ⑩ sinの
ER
ku
2) + Ta0=一4 (3) co狼 と
|
と中 * 名 5 を
0 =Sih9 K も sinの
とLl= BCgiN9 還02 ーー
ニー25in9cの9 inの9=ー三
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