wereallmadhere111
14.07.2019 •
Mathematics
Write the sum without sigma notation. then evaluate. summation from k equals 1 to 5 cosine k pi
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Ответ:
summation from k equals 1 to 5 cosine k pi
= Cosine 1*∏ + Cosine 2*∏ + Cosine 3*∏ + Cosine 4*∏ + Cosine 5*∏
= -1 + 1 + -1 + 1 + -1
= -1
Ответ:
18 27 36 you just have to do your count byes for 9