Given 16cot(A) = 8Find sin(A) and sec(A).
Tag Archives: Feynman
Organic Compounds and their Structural Representation
In this lecture we discuss about the structural representation of organic compounds, their 3D representation and some molecular models.
Practice Problem 1
Given a triangle ABC in which AB = 3 cm and BC = 4 cm.Find:(i) sin(C) and cos(C)(ii) sin(A) and cos(A)
Trigonometric identities and their proofs
In this lecture we are going to discuss about various trigonometric identities and their proofs.
Important points related to trigonometric ratios
In this lecture we have discussed about important points and misconceptions related trigonometric ratios and relation between tan, sin and cos functions.
Tetravalency, Catenation and Classification of Organic Compounds
In this lecture we have discussed about the unique characteristics of carbon atom i.e. tetravalency, catenation and classification of organic compounds.
Lectures on Organic Chemistry
In this lecture we discuss about early classification of substances (organic and inorganic), vital force theory, hydrocarbons and the most important question what is organic chemistry, sources and importance of organic compound.
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