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Mathematics, 29.03.2021 23:30 moss4951
Please verify the following trigonometric identities.
1. ![\frac{\sin^3x + \cos^3x}{\sin x + \cos x} = 1 - \sin x \cos x](/tpl/images/2259/1068/448a4.png)
2. ![\frac{\tan x + \tan y}{\cot x + \cot y} = \tan x \tan y](/tpl/images/2259/1068/fe8c2.png)
3. ![\tan(\frac{\pi}{2}) + \cos x \tan(\frac{\pi}{2}) = \sin x](/tpl/images/2259/1068/e954a.png)
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Please verify the following trigonometric identities.
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2.
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