Wednesday

September 17, 2014

September 17, 2014

Posted by **raven** on Sunday, July 31, 2011 at 5:18pm.

- precal 2 -
**Henry**, Sunday, July 31, 2011 at 9:49pm5/4(cos225 + isin225) =

1.25(-0.7071 - i0.7071) =

-0.8839 - i0.8839 =

tanA = -0.8839 / -0.8839 = 1,

A = 45 deg. = 45 + 180 = 225 deg, Q3.

Since the X and Y components are neg,

our resultant vector is in Q3.

r = -0.8839 / cos45 = -1.25 @ 225 deg,

Q3.

**Answer this Question**

**Related Questions**

Complex angles - There are four complex fourth roots to the number 4−43&#...

Calculus - Determine the polar form of the complex number 3 - 2i. Express the ...

Trigonometry - There are four complex fourth roots to the number 4−4√...

Precalc - Represent the complex number graphically and find the standard form of...

Calculus - Given Z = 2(cos 148° + isin 148°) and W = 5(cos 11° + isin 11°), find...

precalc - Suppose that z1=6-8i. Find: A. The Trig Form of the complex number z1...

Trignometry - Write the complex number in the form a=bi √(3)(cos π/3...

trigonometry - 1)Solve and write in standard form: 4x^2-4x+21=0 2)Find the ...

precal 2 - find the cube roots of the complex numbers -4square root 2(1-i) and ...

pre-calculus - Graph each complex number. Then express it in rectangular form. 2...