Mathematics
Senior High
Solved
2sinθcosθ＝sinθから
sin(2sinθ-1)＝0になるののがわかりません
誰か教えてください🙇♀️
sin 20 sin 0.
2 sin cos 0 = sin 0.
sin (2 cos 0-1)=0.
=
sin0 = 0, 1 cos 0 = 1/2
4t
2. sto
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