(NtRIGONOMETRI^ESKIE SUMMY I TEORIQ SRAWNENIJ PO PROSTOMU MODUL@ (B:s (Nu^EBNOE POSOBIE (B/s - (NpOSTNIKOWA(B, (Nl(B.(Np(B.s; (NmOSKOWSKIJ GOSUDARSTWENNYJ PEDAGOGI^ESKIJ INSTITUT IM(B. (Nw(B.(Ni(B. (NlENINAs ((NmOSKWA (B:s (Nb(B. (NI(B.,s, 1973)
Keywords: (NmATEMATIKAs