Trigonometry
Navigation and Trigonometry
Navigation and Trigonometry Each point is identified by a pair of coordinates, the intersection of a meridian and a parallel. The Latitude is the parallel. The Equator is the parallel located at . Moving North, […]
Trigonometry
Sum and difference formulas
Sum and difference formulas We have seen in the past cases where we had to use these sum and difference formulas. At this stage, we are now exploring them to be able to use them […]
Trigonometry
Trigonometric functions
Trigonometric functions Trigonometric functions Unit Circle radius is 1 (Unity): Before we dive into the trigonometric functions, it is understood that the student already knows the following: -Basic knowledge of similar triangles. -Definition of circle. […]
Trigonometry
Spherical trigonometry
Spherical trigonometry The spherical trigonometry is the branch of spherical geometry which deals with spherical triangles defined by great circles on the sphere. It allows us to calculate the trigonometric functions of the sides and […]
Trigonometry
Trigonometric functions: Tangent of an angle
Trigonometric functions: Tangent of an angle We are following our introduction to the trigonometric functions. It was necessary to go through some reminders in geometry to be able to understand the next topics in Trigonometry. […]
Algebra
Proportions and scientific notations
Proportions and scientific notations Before discussing proportions, let’s revisit the . Percent: Usually we see fractions where the numerator is . This is mainly the case of decimal fractions and some other common fractions. We […]
tv antenna from toptvantenna:
Hi there, just became aware of your blog through Google, and found that it is truly informative. I am gonna…
