Application. — 2x — 5 = o

8ino = -2y/(îy, R,=ÿ/58i„-iç, R, = ÿ/5cos'i».

log 2 = o,3oi o3o O 4log 3 = 0,477 121 2 —

log 2 = o,3oi o3oo + log 5 = 0,6989700 —

log ( — siii'}-) = 1,3379282.

logsini<p= 1,9973794

X 2 = 1,994758 8 4log 5 = 0,6989700 4-

I = log R, = 0,23 1 2429

log^— cos^^^ = 1,0895140

X 2 = 2,07902804* log 5 = 0,69897004-

2i777998o i = logR, = 1,5926660

R, — Rj= i,3u 669.

Xj = — 1 ,047 275 — 0,655 834 V^3 •