Precalc

posted by .

Write the complex number z = 2 + 5i in polar form, rounding to the nearest hundredth if needed.

  • Precalc -

    Z = 2 + 5i.

    tanA = 5/2 = 2.50
    A = 68.20o

    Z = X/cosA = 2/cos68.20 = 5.39 @ 68.2o=
    (5.39,68.2)

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. rounding decimals

    Rounding to the nearest hundredth. Would 2.0518 be rounded to 2.0520?
  2. Rounding Decimals

    Use the digits 0,2,5 and 8. Write a decimal that will round up if rounded to the nearest whole number, round down if rounded to the nearest tenth, and round up if rounded to the nearest hundredth.
  3. Math

    Round 0.575 to the nearest hundredth. Estimate 15.264 - 8.15 by first rounding each number to the nearest tenth.
  4. Precalc

    Write the complex number z = −6 in polar form
  5. Math

    Write the following complex number in polar form: z = 4 − 4i
  6. Math ! Please Help !

    1.Graph the polar equation r=3-2sin(theta) 2. Find the polar coordinates of 6 radical 3,6 for r > 0. 3. Find the rectangular coordinates of (7, 30°). 4. Write the rectangular equation in polar form. (x – 4)2 + y2 = 16 5. Write …
  7. Calculus please help !

    1.Graph the polar equation r=3-2sin(theta) 2. Find the polar coordinates of 6 radical 3,6 for r > 0. 3. Find the rectangular coordinates of (7, 30°). 4. Write the rectangular equation in polar form. (x – 4)2 + y2 = 16 5. Write …
  8. Pre-calculus; urgent ! Please help !

    1.Graph the polar equation r=3-2sin(theta) 2. Find the polar coordinates of 6 radical 3,6 for r > 0. 3. Find the rectangular coordinates of (7, 30°). 4. Write the rectangular equation in polar form. (x – 4)2 + y2 = 16 5. Write …
  9. Mathematics

    Express the Complex Number -1-i in polar form. how is complex no expressed in polar form?
  10. Precalc

    Why the polar form(2.83,45) is written a rectangular complex number like this: 2.83*cos45 + j*(2.83*sin45) I would like some explication please. Thanks!

More Similar Questions