atobateleisaac180 atobateleisaac180

01-04-2022
Mathematics

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Simplify Sinx + cosx/ cos²x - sin²x

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loneguy loneguy

01-04-2022

[tex]\dfrac{\sin x + \cos x}{\cos^2 x - \sin^2 x}\\ \\\\=\dfrac{\sin x + \cos x}{(\cos x + \sin x )\\\\(\cos x - \sin x)}\\\\\\=\dfrac{1}{\cos x - \sin x}[/tex]

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