Thread: Proving Trig Equations
View Single Post
  #2  
Old October 11th, 2007, 04:22 PM
galactus's Avatar
galactus galactus is offline
Eater of Worlds

  
Join Date: Jul 2006
Location: Chaneysville, PA
Posts: 2,853
Country:
Thanks: 120
Thanked 1,098 Times in 986 Posts
galactus has much to be proud ofgalactus has much to be proud ofgalactus has much to be proud ofgalactus has much to be proud ofgalactus has much to be proud ofgalactus has much to be proud ofgalactus has much to be proud ofgalactus has much to be proud ofgalactus has much to be proud of
Default
Rewrite #1 and make the cancellations.

\frac{sin^{2}x-tanx}{cos^{2}x-cotx}

sin^{2}x-tanx=tanx(sinxcosx-1)

cos^{2}x-cotx=\frac{sinxcosx-1}{tanx}
Reply With Quote
The following users thank galactus for this useful post:
Donate to MHF