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Ha pax c epepoa poyo pa oaae opeeeo cee oooo ac, ooy ee yaa pa cpoca ye e opae ao. Bea aoa yao po cpoca - eoa a-coc cpoca oeo p - ac o cee poo ac, oopo oaae pa. Ha o ocpoe o eco, oeax cee oooo ac p a pe oooceco oype, - ec Poa.

ec Poa cpoc a ocoe coocae aeco yo aoa po pooo cpoca aoo poyooo acca po yaoo cpoca p, ycae ay-o oapy apy oo acca:

R = tga/tgb,

e R ec Poa;

tga aec ya aoa po yaoo cpoca;

tgb aec ya aoa po cooyo cpoca.

Ec pa e oaae poo ac, o ee ya cpoc e oaec o cooyoo pooo cpoca, oa ec Poa pae 1. e oe poa ac p, e oe paa aeco, e oe ya- cpoc ooec o pooo, a a a ya cpoc cea oee ace, o ce eca paec y, , ceoaeo, aee eca ae ye pac y.

C pyo copo, ec apep xoa opac ocycy, o oocpoo epoe ooeca p p, ecyx a pe oooceco oype, a oaa .eep, ye paa y. Ec p oya oo-ey p, oe p xo opac, yca ee oy paooc oapa, yeeec cooyoe peoee ee ae e a oap. Ec p ecy y, ac p paopc ye opac, yeeec cooyoe peoee oe e o eyooo ypo. Ta opao, a pe oooceco oype oocpooe paoece, oe p, ocaec a, e ea oapa oaaec pao cpe epa yca.

ocoy cpee ep yca e U-opay opy, o oa paeca e (aoo po yaoo cpoca) cpex oocpox epe pec a yc e ao eoo, paoo yy cpex oocpox epe. Ceoaeo, pa oooceco oype xapaepo ee X-eeoc - yc oapa e c ae epa.

 

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