The textbook uses examples from Indian monuments and cultural contexts to explain key concepts of the subject, including ...

a missing side in a right-angled triangle when another side and an angle are known. a missing angle in a right-angled triangle when two sides are known. In these formulae, the Greek letter θ (theta) ...

The most important theorem we learnt in childhood carries the name of a Greek philosopher, but not necessarily the legacy.

Flashlights have gone through a lot of innovations since the first "modern" flashlight lit up in 1899. Invented by David Misell, the tubular flashlight used three dry cell batteries end to end, much ...