There are some trigonometric identities which you must remember in order to simplify trigonometric expressions when required. When you are asked to prove something, ignore the right hand side of ...

Calculate the length AB. Give the answer to one decimal place. Label the sides of the triangle \(o\), \(a\) and \(h\). Next choose the correct ratio from \(s^o_h~c^a_h~t^o_a\). The length \(h\) is ...

Check if you have access via personal or institutional login This book provides a critical exploration of the importance of social identities when considering crime, victimisation and criminal justice ...

The original video can be viewed here. For many high school students returning to class this month, it may seem like geometry and trigonometry were created by the Greeks as a form of torture.

Unlike the JavaScript version of the CSS trigonometric functions, the CSS functions accept both angles and radians for the argument. Perhaps the nicest thing about having this functionality in CSS ...

In early 2020, I asked for advice on where to pitch an article about the material culture of the Boogaloo. One of my colleagues looked up the strange word and told me I shouldn’t be ...

APIs, service accounts, cloud instances and IoT devices form an invisible army of digital workers, each with its own identity ...

With the abundance of calculator apps available for Android phones, it can be overwhelming to choose the right one that ...

Graduate level courses in physical optics ... Specific skills to review before the course: Trigonometric & exponential functions, Algebraic manipulation, Polarization, Jones matrices/vectors and ...

A level payment mortgage is a type of mortgage that requires the same dollar payment each month or payment period. Level payment mortgages allow borrowers to know exactly how much they will have ...

The question paper is important to understand the exam pattern and the level of the questions ... Trigonometrical ratios. Trigonometric identities Sum and difference formulae.