How do you solve cos(x)/Tan(x) + Sec(x)
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How do you solve cos(x)/Tan(x) + Sec(x)

[From: ] [author: ] [Date: 12-04-29] [Hit: ]
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cosx/(tanx +secx)=
cosx/[sinx/cosx+1/cosx]=
cos^2(x)/(1+sinx)=
1-sin^2(x)/(1+sinx)=
(1-sinx)(1+sinx)/(1+sinx)=
1 - sinx

-
Do you want to simplify it?
cos x /(tan x + sec x)
= cos x (-tan x + sec x)/(-tan^2 x + sec^2 x)
= 1 - sin x
1
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