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mona
Student XII IPA
MASALAH 2 Diketahui sutatu fungsi f(x) = sec x + tan x Tentukan persamaan garis singgung dan garis normal f(x) pada absis x =
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Putra Gema Nusa
Rockstar Teacher GURU SMA
1 z + -2 a - sin X e At f(x)= sec x + tanx f(x) = cos "'x + tanx f'(x) = -1 605>2x. (-senx) + secs (-) It sec?x as X tanx. secx + sec²x = sec x (tan x t sec x x = 3 = 450 f'[95°) = sec 95° (tan 45º = sec 45") fraso + r2 ( (1+12) = 2+2 12-2 =2+2 Man flase) = sec asº + tan as = 2+1 ł tl > - -> PGS –D (950,12 +1), mgs = 2 +12 2 y - (12 +1) = (2+2)(x - 454 :: Y = (2+12)(x-45') +12+1 » PGN (45°, 12+1), Man= 12-2 y - (12 +1) = (2-2 ) = 12,52(x -25) (x 2y-2012 +1) = (12-2)(x-450) .. 2y=(12-2)(x-45") +242 + 2 los X 2 s n - AO re M = Pahamity 2 2
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