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	Các bình luận về: Cho hình chóp \(S.ABC\) có \(SA \bot (ABC)\), tam giác \(ABC\) vuông tại \(B\), góc tạo bởi hai mặt phẳng \((SAC)\) và \((SBC)\) bằng \(\widehat {BAC}\). Tính \(P = \tan \widehat {BAC} \cdot \cos \widehat {ASB}\).	</title>
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	<description>Học toán, Đề thi toán, Sách giáo khoa Toán, trắc nghiệm Toán online</description>
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