{{{ (1-secx)/(1+secx) = (cosx-1)/(cosx+1) }}}
this is the middle of a section and they have turned up the gears, i think if i am shown how i will be able to figure the rest out.
Proving trig identities + Pre counter examples
Proving trig identities + Pre counter examples
Please help me prove this trig identity
{{{ (1-secx)/(1+secx) = (cosx-1)/(cosx+1) }}}
this is the middle of a section and they have turned up the gears, i think if i am shown how i will be able to figure the rest out.
{{{ (1-secx)/(1+secx) = (cosx-1)/(cosx+1) }}}
this is the middle of a section and they have turned up the gears, i think if i am shown how i will be able to figure the rest out.
-
nona.m.nona
- Posts: 261
- Joined: Sun Dec 14, 2008 11:07 pm
- Contact:
Re: Proving trig identities + Pre counter examples
ianhendry wrote:Please help me prove this trig identity
{{{ (1-secx)/(1+secx) = (cosx-1)/(cosx+1) }}}
What did you get when you converted the left-hand side to sines and cosines, converted the fractions to common denominators, and simplified?