Category "Spherical Geometry" Page 1/1
![Equatian of the Ecliptic](/static/img/main/ecliptic-equation.webp)
Spherical Geometry Alexey Borealis
In calculating primary directions, it is necessary to know how the right ascension and declination of any degree of any zodiac sign are related.
Read more →![Equation for ASC & MC](/static/img/main/uravneniya-asc-mc.webp)
Spherical Geometry Alexey Borealis
The basis of any horoscope is the Ascendant and Midheaven degrees. In this article, we will derive the formulas for calculating these degrees.
Read more →![What are the Sidereal Time and RAMC?](/static/img/main/ramc.webp)
Spherical Geometry Alexey Borealis
We use the so-called sidereal time expressed in degrees when calculating primary directions. What are sidereal time and its connection with degrees?
Read more →![Ascension Difference Equation](/static/img/main/ascension-difference.webp)
Spherical Geometry Alexey Borealis
An essential concept in primary directions is the ascension difference. Learn how to calculate this value. This article is for prof. astrologers.
Read more →![How to Convert Ecliptical coordinates to Equatorial And Vice Versa?](/static/img/main/ecliptic-equator-conversion.webp)
Spherical Geometry Alexey Borealis
Astrologers must convert zodiacal coordinates to ecliptic coordinates and vice versa when calculating primary directions. Let's derive these formulas.
Read more →![Spherical Triangles Equations](/static/img/main/spherical-triangles.webp)
Spherical Geometry Alexey Borealis
Spherical triangle equations are the foundation of mathematical work for an astrologer-forecaster. We will derive these functional equations here.
Read more →![rotation matrices](/static/img/main/rotation-matrix.webp)
Spherical Geometry Alexey Borealis
These equations express the coordinates of the planet in various spherical coordinates and provide a basis for calculating primary directions.
Read more →![Trigonometry for astrologers](/static/img/main/basic-trigonometry.webp)
Spherical Geometry Alexey Borealis
These basic formulas are needed to understand the subsequent calculations of the primary directorates. Read it if you use this method.
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