Physics, 05.01.2021 17:00, tragicteekaay

CosA/1+sinA=(cos A/2-sin A/2)/cos A/2+sinA/2=tan(pie÷4- A/2)

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CosA/1+sinA=(cos A/2-sin A/2)/cos A/2+sinA/2=tan(pie÷4- A/2)...