Question

how do is solve this trig limit [1-tanx]/sinx-cosx

Answer 1

as x -> what?

Answer 2

as x aproaches pi/4

Answer 3

Note that 1 - tan x = 1/cos x . ( cos x - sin x)

Hence the ratio (1 - tan x)/(sin x - cos x) = -1/cos x

Now you can take the limit.

Answer 4

ooh thanks