Friday

December 19, 2014

December 19, 2014

Posted by **forest** on Sunday, October 16, 2011 at 11:32am.

x = R cos (phi) sin (lamda)

y = R sin (phi)

they are used in orthogonal projection of a spherical surface to a flat surface in the (x y) plane.

where (phi)=latitude

(lamda)=longitude

- Maths trigonometry -
**Steve**, Monday, October 17, 2011 at 10:53amwikipedia has a nice article explaining this projection. Your example uses an origin of (0,0) for the projection, reducing the complexity of the equations considerably.

- Maths trigonometry -
**suzi**, Wednesday, September 3, 2014 at 3:42pmGraph the oriented angle in standard position.

7π

4

**Answer this Question**

**Related Questions**

Maths - Polar Coordinate Systems - I've recieved an assignment to investigate ...

math - How do you convert polar coordinates to Cartesian coordinates? And vise ...

trig - How do you convert polar coordinates to Cartesian coordinates? And vise ...

Trigonometry - convert polar equations to rectangular coordinates. 1.) θ=&#...

Math (Calculus) - Given any Cartesian coordinates, (x,y), there are polar ...

Maths - In polar coordinates, the parametric equations x=6+cos(f) and y=sin(f) ...

Converting Cartesian Equations to Polar Equations - Convert the Cartesian ...

Calculus - Evaluate, in spherical coordinates, the triple integral of f(rho,...

Algebra - In polar coordinates, the parametric equations x=5+cos(t) and y=sin(t...

Trigonometry - Convert to polar coordinates with r greater than or equzl to 0 ...