Mathematics
Senior High
Resolved
なぜcosθで割るとtanθが出てくるんですか？💦
k=5
sin 0 + cose
sin - cos 0
分子を cose で割ると
ゆえに
(2)
=
√2
①の左辺の分母・
tan 0+1
tan0-1
tan0+ 1 = √2 (tan0-1)
=
√√2
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