nanine2k nanine2k

25-01-2021
Mathematics

contestada

Is sec (−θ) equal to sec θ or - sec θ? How do you know?

Respuesta :

jimrgrant1 jimrgrant1

25-01-2021

Answer:

sec(- θ ) = secθ

Step-by-step explanation:

The relationship between sec and cos is

sec x = [tex]\frac{1}{cosx}[/tex]

Now cos(- x) = cosx

Thus

sec(- θ ) = secθ

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