Question

Ex 4 va rog mult. Dau coroana

Answer 1

sin∡C = cateta opusa/ipotenuza =AB/BC = 14/20 = 7/10=0,7

Answer 2

$\it sinC=\dfrac{cateta\ opus\breve{a}}{ipotenuz\breve{a}} = \dfrac{AB}{BC} =\dfrac{ \ 14^{(2}}{20} =\dfrac{7}{10} = 0,7$