(sec x + tan x)((1-sin x/cos x)=1 Please show calculations why you did those calculations. I need help!!!

asked Sep 4, 2023 31.1k views

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Explanation:

$( \sec(x) + \tan(x) )( (1 - \sin(x) )/( \cos(x) ) )$

$( (1)/( \cos(x) ) + ( \sin(x) )/( \cos(x) ) )( (1 - \sin(x) )/( \cos(x) ) )$

$( (1 + \sin(x) )/( \cos(x) ) )( (1 - \sin(x) )/( \cos(x) ) )$

$\frac{1 - \sin {}^(2) (x) }{ \cos {}^(2) (x) }$

$\frac{ \cos {}^(2) (x) }{ \cos {}^(2) (x) }$

= 1

Gmolau answered Sep 11, 2023

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