ramentome7542
20.03.2020 •
Mathematics
How would you simplify SinxCosx (tanx + cotx)
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Ответ:
1
Step-by-step explanation:
sin x cos x(tan x+cot x)
=sin x cos x[(sin x)/(cos x)+(cos x)/(sin x)]
=sin x cos x [(sin²x+cos ²x)/(sin x cos x)]
=sin x cos x(1/(sin x cos x))
=1
Ответ:
The correct answer is -2x +7
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