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How do you prove: sec x − cos x = sin x tan x ?

How do you prove: sec x − cos x = sin x tan x ?
asked 35.0k views
4 votes
How do you prove: sec

x
−
cos
x
=
sin
x
tan
x
?

asked
User Nathan Cox
by
8.3k points

1 Answer

3 votes

Answer:

secx - cosx=1/cosx - cosx

=(1-cos²x)/cosx

=sin²x/cosx

=sinx/cosx.cosx

=tanx.cosx

answered
User Funerr
by
7.4k points
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