> ý\r(a) g h ´ > (2)\r(b) Ü ´ > e >
}\rT _ % ¤ ---- þW9W = -----f ------\rsin(2^- a) sin(90P-s) sin(9(f - (p) sin(9CP + a)\rsin (2 0 -a)\r1 ? 1\rcosa\r( 1 ) & & & 8 \r(2)“,|=4/ (2)\r2.\r163. " ?5 \r # $ % & ' ( ) ? 4 5 6 {|W 0V\r* + , - . °v = arctg / V=11. 31°\r(1) 3 \rP\r( 2 ) / 0 1 2 3 tg % =------- < tg 7v\r7i d\r(2) 2 \r'max=7t dtg 9V=13. 82mm