Math Is Fun Forum
Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ π -¹ ² ³ °
You are not logged in.
- Topics: Active | Unanswered
Pages: 1
#1 2009-07-21 16:14:16
- mp3qz
- Member
- Registered: 2009-07-21
- Posts: 9
trigonometric equation
Offline
#2 2009-07-21 21:59:48
- juriguen
- Member
- Registered: 2009-07-05
- Posts: 59
Re: trigonometric equation
For a fast solution, you can use
http://www.quickmath.com/webMathematica3/quickmath/page.jsp?s1=equations&s2=solve&s3=basic
Type
4*(cos(x)^3+sin(x)^3)=cos(x)+4*sin(x)
And you got it!
Jose
Make everything as simple as possible, but not simpler. -- Albert Einstein
Offline
Pages: 1