��.1180 �� 9 �� (��)

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�� 1180. ��:�) cos(37�30')cos(7�30'); �) sin(75�)sin(15�);�) cos(15�)cos(75�); �) sin(5?/24)sin(?/24);�) sin(15�)+tg(30�)cos(15�); �)...

�� , �� 9 ��, ��:

1180. ��:

�) cos(37�30')cos(7�30'); �) sin(75�)sin(15�);

�) cos(15�)cos(75�); �) sin(5?/24)sin(?/24);

�) sin(15�)+tg(30�)cos(15�); �) tg(11?/12)+tg(5?/12);

�) (tg(13�)+tg(17�))/(1-tg(13�)tg(17�)); �) (tg(1�)-tg(46�))/(1+tg(1�)tg(46�));

�) (tg(113�)+tg(7�))/(1-tg(113�)tg(7�)); �) (tg(150�)-tg(15�))/(1+tg(150�)tg(15�)).

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�� New Millennium 9 ��

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