i have to prove tan 2x - sec 2x = tan (x - pi/4)
well i started with the right side and used identities to simplify it down to tan x - 1/(1 + tan x)
im not sure where to go from here? any suggestions?
Hello, slapmaxwell1!
This is a messy one . . . You're off to a good start!
Prove: .
I started with the right side and used identities
. . to simplify it down to: .
I'm not sure where to go from here? Any suggestions?
You had: .
Multiply by
Multiply by
. .
. . . .
We have: .
. . . . . .