05Jan

ctg(a+pi) + 4tg((3pi/2)-a)+2tg (a+(5pi/2)) если ctga =-0.25

1237894567419638520 Математика 1 0

ctg(a+pi) + 4tg((3pi/2)-a)+2tg (a+(5pi/2)) если ctga =-0.25

Posted by 1237894567419638520 | Posted at Jan 05, 2014 | Categories: Математика

Answers

vikamehl
vikamehl

= ctg α + 4ctg α - 2ctg α = 3ctg α = 3·(-0,25) = -0,75

Jan 05, 2014 05:53

Leave a answer