Упростите выражение: sin a - cos a(tg a - ctg( -a) ). Created by Taylor2013. matematika-ru

Sin α - cos α (tg α - ctg( -α) ) = sin α - cos α ( + ctg α ) == sin α - cos α * + cos α *ctg α= sin α - sin α + cos α *ctg α =1 + cos α *ctg α

Упростите выражение: sin a - cos a(tg a

Taylor2013 @Taylor2013

July 2022 1 12 Report

Упростите выражение:

sin a - cos a(tg a - ctg( -a) )

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meripoppins60 Sin α - cos α (tg α - ctg( -α) ) = sin α - cos α ( $\frac{sina}{cosa}$ + ctg α ) =

= sin α - cos α * $\frac{sina}{cosa}$ + cos α *ctg α= sin α - sin α + cos α *ctg α =1 + cos α *ctg α

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reshite pozhalujsta kak mozhno skoree dva providniki z oporom 60 om i 40 om zyedn

pomogite ochen nuzhno na zavtra najdite znachenie sin a cos a tg a e

reshite zadachu zadacha vo vlozhenii polnoe reshenie turist proshyol ne s a 200 k

dosliditi i pobuduvati grafik funkciyi ochen nuzhnou h2 3h2 h1

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