Question

Determinar: E = (sec45°) . (sec45°) + (ctg30°) . (ctg30°) ayuda porfavor

Answer 1

Respuesta:

$E=(\sqrt{2}) .(\sqrt{2})+(\sqrt{3}) .(\sqrt{3})\\E=(\sqrt{2.2}) +(\sqrt{3.3})\\E=2+3\\E=5$