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 ...

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 ...

Charlie Stripp and Carol Knights suggest ways in which the curriculum and assessment of secondary mathematics might be ...

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 ...

To register your interest please contact [email protected] providing details of the course you are teaching. The second edition of Some Random Series of Functions, covers random series in ...

trigonometry, and arithmetic. Learn important formulas and theorems to solve the questions in less time. Practice unlimited ...

Julio Ricco / Getty Images 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 ...

Stock, the Casio W800-H wristwatch ships with dual time modes, multiple alarms, and a stopwatch – useful features for some. However, more is possible if you just know where to look. [Ian ...

What are stone tops, stone butches, and touch me nots? There are a handful of terms used to express the identities and ...