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Polar Cords and regular

0 votes

4.             Write the regular coordinate point (-3, -4) in polar form

5.             Write the polar coordinate point (5, 60o) in regular coordinate form. 

asked Jun 26, 2013 in TRIGONOMETRY by harvy0496 Apprentice

2 Answers

0 votes

The given regular coordinate point (-3, -4)

The polar form of a complex number image, where image and image

To find the r :

image 

Substitute x = - 3 and y = 4

image

image

image

image

To find image value:

image

image

image

image

image rd

The polar form is image.

answered Jul 4, 2013 by ashokavf Scholar
0 votes

5) The given polar coordinate point (5, 60o).

than r = 5 and image

By using the basic trigonometric ratios:

image

Substitute r = 5 and image

image

image

Apply crosss product property : image

image

image

image

image

Substitute r = 5 and image

image

image

Apply crosss product : image

image

image

image

The regular coordinate form is image

answered Jul 4, 2013 by ashokavf Scholar

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