The British wanted to understand the length and breadth of the Indian peninsula. The answer was a 100-year-long survey that ...

When you think of romantic cities, London might not even make your top 5. But as brand-new drama Trigonometry contends, it deserves its place. Walking across Hammersmith Bridge at sunset. The view ...

This is an updated version of a story first published on May 5, 2024. For many high school students returning to class, it may seem like geometry and trigonometry were created by the Greeks as a form ...

Angles of elevation and depression are angles that are given from above or below a horizontal perspective. For example the angle that is made when you look up at something is an angle of elevation.

Trigonometric ratios are used to find the unknown side or angle of a right-angled triangle. There are three different trigonometric ratios, \(\sin(\theta), \cos(\theta)\), and \(\tan (\theta)\). Each ...

Chennai, then Madras, 1819. Syed Mir Mohsin Husain, a jeweller from Arcot, was working in the store of his employer, George Gordon, when some British military officials stopped by with a strange ...

Trigonometry class has tripped up generations of teenagers, yet none of its puzzles spark more head‑scratching than the classic right‑triangle riddle. The formula a² + b² = c² looks tidy on the ...

Outstanding shares are found by subtracting treasury from issued shares. Check your broker's website for shares data if not on financials. Float represents shares available to the public for trading.

Life is an intriguing web of patterns, a dynamic mix of squares, triangle,and circles. These patterns help us understand the various ways of human emotions, life with clarity and purpose. While ...

An illustration of a magnifying glass. An illustration of a magnifying glass.

T-bills are sold at a discount to their face value. They offer returns at maturity without periodic interest payments. With T-bill yields higher in recent years, they can be an excellent, low-risk way ...

What began as a bonus question in a high school math contest has resulted in a staggering 10 new ways to prove the ancient mathematical rule of Pythagoras' theorem. "There are no trigonometric proofs ...