Exerciții și probleme de trigonometrie

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Capitolul 1 UNGHIURI, ARCE. RELATII îNTRE FUNCTIILE TRIGO­ NOMETRICE ALE ARCELOR DIN DIFERITE CADRANE. RELATII îNTRE FUNCTIILE. TRIGONOMETRICE ALE ACELUIA5I ARC. RELATII INTRE ELEMENTELE UNUI TRIUNGHI DREPTUNGHIC. ADUNAREA 51 SCADEREA VECTORILOR. PROIECTII.

' 1.1. Sa se calculeze în grade, minute !;li secundo sexagesimale, masura arcului de un radian. 1.2. Sa se calculeze în radiani unghiul la centru corespunzaLor arcului de uu grad sexagesimal.. 1.3. Sa se exprime în grade vechi, îu grade noi* !;li în radiani suplimontul 11 uug1·1· uu u1 de --" rad'iani. . 10 1.4. Sa se exprime unghiul