" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Reemplazamos
SenAcosA(SenA/cosA + cosA/SenA) = 1
SenAcosA ((Sen²a +cos²A)/SenAcosA) = 1 como Sen²A + cos²A = 1
SenAcosA(1/SenAcosA) = 1
SenAcosA/SenAcosA = 1
1 = 1