HP Forums / HP Calculators (and very old HP Computers) / HP Prime v / Cubic and Quartic Formulae

Post Reply 
Cubic and Quartic Formulae
08-15-2015, 10:05 AM
Post: #14
Thomas Klemm Offline
Senior Member
 		Posts: 2,313
Joined: Dec 2013
RE: Cubic and Quartic Formulae
(08-06-2015 01:42 PM)LCieParagon Wrote:  One can find the numerical value of sin(1) by applying the cubic formula. One can solve equations like sin(3x) = 3sin(x) - 4sin^3(x) by letting x = 1 and find the exact answers.

Did you ever consider to use this formula to solve a cubic equation using trigonometry?

Cheers
Thomas
Find all posts by this user
Quote this message in a reply
Post Reply 


Messages In This Thread
Cubic and Quartic Formulae - LCieParagon - 08-06-2015, 05:35 AM
RE: Cubic and Quartic Formulae - parisse - 08-07-2015, 06:08 AM
RE: Cubic and Quartic Formulae - Gerald H - 08-06-2015, 09:07 AM
RE: Cubic and Quartic Formulae - parisse - 08-06-2015, 12:01 PM
RE: Cubic and Quartic Formulae - parisse - 08-08-2015, 06:20 AM
RE: Cubic and Quartic Formulae - Thomas Klemm - 08-15-2015 10:05 AM



User(s) browsing this thread: 3 Guest(s)

Contact Us | The Museum of HP Calculators | Return to Top | Return to Content | Lite (Archive) Mode | RSS Syndication