Skip to content
LUNLUN.COM

LUNLUN.COM

the official site

  • COURSES
  • COUPONS
  • NEWSLETTER
  • ARTICLES
  • ABOUT
28 May 2021 Sergiu Funieru

cos 3a (formula and example) (cosine of triple angle)

0

cos 3a (formula and example) (cosine of triple angle)

Have you seen this?

0
Learn Math

Post navigation

Previous Post:sin 3a (formula and example) (sine of triple angle)
Next Post:Quiz : what is the value of i^3 : complex numbers
Subscribe now to LUNLUN.COM newsletter and you will get the cheatsheet "Top 10 Trigonometry Formulas", and the short ebook from the image below, and a surprise as a gift.
Factor Expressions (problems with solutions)

Your email address:



It is free to subscribe.
You may unsubscribe at any time.
The privacy policy is here.

Most Liked

  • tan a + tan b (formula and example) (sum of… +17
  • a^3 + b^3 (formula and example) +4
  • a^2 - b^2 (formula and example) +4
  • Factor X^3 - 1 (problem with solution) +3
  • The formula for (ab)^n +3
  • [Solved] What is the exact value of sine of 180… +3
  • The formula for a^3 - b^3 [the difference of cubes] +3
  • What is sine of 90 degrees? (sin 90 degrees) +3
  • The formula for (a + b) ^ 3 [the cube… +3
  • sin a - sin b (formula and example) (difference of… +3

Recent Posts

  • #shorts (silent video) The Product Rule of Exponents (formula)
  • #shorts (silent video) Solve for x: 3x – 7 (x+1) = 2-5x
  • #shorts (silent video) Calculate arcsine of sine of pi
  • #shorts (silent video) Factor the polynomial 17 – X^2
  • #shorts (silent video) Vieta’s formulas (if x1 – x2 = 1 …)

Categories

  • 10 solved problems
  • 100 Math Formulas with Examples {ebook}
  • 100 Math Formulas with Examples {silent videos set}
  • 22
  • article
  • Articles I posted on Quora
  • Challenges
  • Free ebooks
  • Interesting vidoes
  • Learn AI (Artificial Intelligence)
  • Learn Audacity
  • Learn IrfanView
  • Learn LibreOffice
  • Learn Linux
  • Learn Math
  • Learn Math In Romanian
  • Learn PHP
  • Learn Python
  • Learn Romanian
  • Learn Rust
  • Learn SQL – keywords reference with examples
  • Learn VLC
  • Solved problems
  • What is?
  • why
  • x

Archives

  • January 2024
  • November 2023
  • October 2023
  • September 2023
  • August 2023
  • July 2023
  • June 2023
  • April 2023
  • February 2023
  • January 2023
  • November 2022
  • October 2022
  • September 2022
  • July 2022
  • May 2022
  • January 2022
  • December 2021
  • November 2021
  • October 2021
  • September 2021
  • August 2021
  • July 2021
  • June 2021
  • May 2021
  • April 2021
  • March 2021
  • February 2021
  • January 2021
  • December 2020
  • November 2020
  • October 2020
  • September 2020
  • August 2020
  • July 2020
  • June 2020
  • May 2020
  • April 2020
  • March 2020
  • February 2020
  • January 2020
  • December 2019
  • November 2019
  • October 2019
  • September 2019
  • August 2019
  • July 2019
  • June 2019
  • May 2019
  • February 2019
  • January 2019
  • October 2018
  • September 2018
  • August 2018
  • July 2018
  • June 2018
  • May 2018
  • January 2018
  • December 2017
  • November 2017
  • October 2017
WordPress Theme: Wellington by ThemeZee.