LebGeeks

samer

Admin

Trigonometry Redefined without Sines And Cosines

Dr. Norman Wildberger, of the South Wales University, has redefined trigonometry without the use of sines, cosines, or tangents. In his book about Rational Trigonometry (sample PDF chapter), he explains that by replacing distance and angles with new concepts: quadrance, and spread, one can express trigonometric problems with simple algebra and fractional numbers. Is this the beginning of a new era for math?" read full

mahdoum

Member

Re: Trigonometry Redefined without Sines And Cosines

I hope so, I wouldn't mind learning something new in math...

ike

Member

Re: Trigonometry Redefined without Sines And Cosines

that sounds great, although I love complicated trigonometry