MadisonMayberry9650
12.03.2020 •
Mathematics
Sin 2x=
check all that apply
A. 2sin x cos x
B. 1-2 sin^2 x
C. 2cos x sin x
D. 2sin x +2cos x
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Ответ:
A,C
Step-by-step explanation:
sin 2x=sin (x+x)=sinx cos x+cos x sin x=2 sin x cos x
or =2 cos x sin x
[sinx cox=cos x sin x ]
Ответ:
the question seems incomplete