moonlighthowl4537
17.11.2020 •
Mathematics
What is the value of tan(arrcos( -
/2)?
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Ответ:
tan(arrcos( -√2 /2)) = -1
(result in radians)
Step-by-step explanation:
Ответ:
nCr so 10C4 = n! / (n-r)!(r!)