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Trig identity prove identity CosX+sinX/ CosX = 1+tanX

Mathematics
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 prove identity CosX+sinX/ CosX = 1+tanX 

Apr 7th, 2015

(cos x+sin x)/ cos x 

= cos x /cos x + sin x/cos x 

= 1+ tan x 

because sin x/cos x = tan x

Thus (cos x+sin x)/ cos x  = 1+tan x


Apr 7th, 2015

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Apr 7th, 2015

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Apr 7th, 2015

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Apr 7th, 2015

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Apr 7th, 2015
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Apr 7th, 2015
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