Przedstaw w prostszej postaci:
sin alfa (sin alfa + ctg alfa cos alfa)
sin α(sinα + ctgα * cosα ) = sin α (sinα + cosα/sinα * cosα) = sin α( sinα + cos²α/sinα) = sinα (2sinα/sinα + cos²α/sinα) = sinα * ((sinα+cos²α)/sinα = sinα + cos²α
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
sin α(sinα + ctgα * cosα ) = sin α (sinα + cosα/sinα * cosα) = sin α( sinα + cos²α/sinα) = sinα (2sinα/sinα + cos²α/sinα) = sinα * ((sinα+cos²α)/sinα = sinα + cos²α