Geometrical Proof of tan A + tan B + tan C = tan A tan B tan C
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چکیده
منابع مشابه
Tan 16_8
To clarify the potential involvement of plasmin(ogen) cascade proteins in the cell dissociation and subsequent invasion of pancreatic cancer cells, Western blot analysis, immunocytochemistry, immunohistochemistry, and in vitro invasion assay were performed in the cell lines or tissue of pancreatic cancer. The strong expression of plasmin(ogen), urokinase type plasminogen activator (uPA) and uPA...
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Purpose: Critical bending moment (CBM), the moment at which the external nonaxial load applied overcomes screw joint preload and causes loss of contact between the mating surfaces of the implant screw joint components, was measured with 2 types of implants and 2 types of abutments. Materials and Methods: Using 4 test groups of 5 implant-abutment pairs, CBM at the implant-abutment screw joint wa...
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In many economies, studies have found large wage differentials not accounted for by workforce characteristics, collective bargaining, or market power. Researchers attribute these differentials to either unobserved worker quality or pay incentives designed to elicit worker effort. This article finds empirical support for an alternative explanation: These wage differentials result from firms’ tec...
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ژورنال
عنوان ژورنال: Mathematical Notes
سال: 1916
ISSN: 1757-7489,2051-204X
DOI: 10.1017/s1757748900001602