wellllm
13.07.2019 •
Mathematics
Find the quotient: 8(cos275+ i sin275) / 16(cos180+ i sin180)
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Ответ:
the answer is D, you divide 8 by 16 you get 2 in below the division sign, cosine 180 is -1 , sine 180 is zero so the imaginary number cancels out leaving only -1 multiplied by 2 equals -2 then cosine and sine 95 equal negative the cosine and sine of 275 you take the negative sign common factor divide it by the negative sign of 2 and you get the answer is d
Ответ:
5n(2n^2-3n+4xn-6x)
part b:
5n(n+2x)(2n-3)