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Trigonometrical Ratios of Multiple & Sub-multiple Angles

Trigonometrical Ratios of Multiple & Sub-multiple Angles

Here again, we will start with a list of the formulae regarding the present topic Trigonometrical Ratios of Multiple & Sub-multiple Angles. Skip to the examples here. Alternatively, you may choose to start over with the Measurement of Angles or go through the previous post on Trigonometrical Ratios of the Sum and Difference of Two …

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Press Freedom Index 2020

Press Freedom Index 2020

The Press Freedom Index 2020 was published on May 3rd, the World Press Day by Reporters Without Borders (RSF), a non-profit organization registered in France since 1995. The acronym comes from the name in French – Reporters Sans Frontières. The RSF is an independent international NGO that enjoys consultative status with the United Nations and …

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Sequences & Series

Sequences & Series

Sequences & Series cover Arithmetic, Geometric and Harmonic Progressions. This post will enumerate the essential formulae with a link to problems and solutions thereof. Study Complex Numbers. What is a Sequence in mathematics? A sequence is an ordered collection of numbers \(t_1, t_2, t_3, … , t_n, …\). The word of importance is ‘ordered’. It …

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