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.
ianhendry wrote:Please help me prove this trig identity
{{{ (1-secx)/(1+secx) = (cosx-1)/(cosx+1) }}}