# Rectangular and polar coordinates

#### Joe91090

1. Homework Statement

The rectangular and polar coordinates of a point are (x,y) and (r, Theta ) and theta equals 67 degrees

2. Homework Equations

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3. The Attempt at a Solution

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#### mgb_phys

Homework Helper
what is the question?

#### Joe91090

OHH oops.

Determine the value of r and y

#### mgb_phys

Homework Helper
Start by drawing it on a graph.
Put x along the bottom and y up the side.
Now draw a line at 67 deg above the X axis (this is the normal convention)

For a point1 unit along the diagonal line draw lines down to the X and across to the Y axis - now use normal trig stuff (sin/cos) for these two triangles

Last edited:

#### Joe91090

thank you very much. very helpful.

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