" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
L=[sinα(sinα-cosα) + cosα(sinα+cosα)] / (sinα+cosα)(sinα-cosα)
L=(sin²α-sinαcosα+sinαcosα+cos²α) / (sin²α-cos²α)
L=(sin²α+cos²α) / (1-cos²α-cos²α)
L=1 / (1-2cos²α)
L=P Wykorzystano wzory : (a+b)(a-b)=a²-b²
sin²α+cos²α=1
sin²α=1-cos²α