1 4 4 365 1 = 1461 365 1 4 15. 13 tg( ) = tg( + ) = 8 8
sin 90 sin = = 485. n
coseci DF / sini DC = = = cosecr DF / sin r DF
sini sinr = vr v i sini v r = = sinr v i
R1 + R2 2R2 = R f 1 1 1 1 = ( n 1)( ) f R R 1 2
K R l 2 3 2 O e 2k 1 4 = K 2
tg B n n sin = 2 1
1 1 1 2 2 2 dsin = 2k -1 sin 2 y d tg = = y d r r r 0 0 0
P r 0 r 1 = r 0 + r = r + 2 r = r + 3 2 2 0 3 0 2 2 r R = r0 + k R R = 1 2
t C = l t C = 2l t
V tg = C 1 n N t 2nN
t = 2l C = 4nNl 8633 C
t 1 1 t 2 1 = + I c v c + v 2 2 = c 2 v 2
ü ü = B n 2 2 n 3.4.5 n 4 1 1 = R( ) n 2 m 2 R n = 2 m 3 4 5
N 0 n = n0 2 ( m )