Math Is Fun Forum
  Discussion about math, puzzles, games and fun.   Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ -¹ ² ³ °

You are not logged in.

#1 Re: This is Cool » Trig: deriving multiple-angle identities » 2011-01-05 18:05:04

Can you give derived expression for squares of trigonometric functions such as sin 2θ?Is it solve by the same formula?

Board footer

Powered by FluxBB