" 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 ·sin²α/cos²α=sinα(1+sin²α/cos²α)=sinα(cos²α+sin²α)/cos²α=
=sinα·1/cos²α=sinα/(cosα·cosα)=sinα/cosα·1/cosα=tgα/cosα=P
L=P
b) cosα+cosα·ctg²α=ctgα/sinα
L=cosα+cosα·ctg²α=cosα(1+ctg²α)=cosα(1+cos²α/sin²α)=cosα(sin²α+cos²α)/sin²α=cosα·1/sin²α=cosα·1/(sinα·sinα)=cosα/sinα·1/sinα=ctgα/sinα=P
L=P