Science & Mathematics - 15 August 2007

Write each complex number in rectangular form.

NOTE: the letter d = degrees. Got it?

(1) 3(cos210d + isin210d)

(2) 4(cos(pi/2) + isin(pi/2))

2007-08-15 00:06:33 · 3 answers · asked by journey 1 in Mathematics

2007-08-15 00:06:21 · 1 answers · asked by Anonymous in Chemistry

How would you find out the median age from a age pyramid (you know the ones with male on one side and females on the other then a colomn of ages running up at the centre)

2007-08-15 00:04:18 · 4 answers · asked by Anonymous in Mathematics

Plot each complex number in the complex plane and write it in polar form. Express your answer in degrees.

(1) -1 + i

(2) 1 - sqrt{3} i

2007-08-15 00:03:59 · 2 answers · asked by journey 1 in Mathematics

2007-08-15 00:01:49 · 8 answers · asked by freshnfuzzy 1 in Astronomy & Space