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Callista Lengkara Azzahra
Student XI IPA
a. 3. Nyatakan bentuk-bentuk berikut dalam bentuk paling sederhana. cos (x + h) - cos x b. sin (x + 2h) - sin x sin (a + 2b) + sin(a - 2b) d. 5 2 sin 一充+a 4 c. d. 2 (1 +a]cos (4x+a)
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Putra Gema Nusa
Rockstar Teacher GURU SMA
a x 2 2 th = -2 Sin 2 b. X x+x a = 20 2 cos as (x+h)- cos X = -2 sin (4th tx Jan 18th-x (x+ ( 23 ) son () sın 놀 sin (x+26)- sinx os(x+2h +x) sin (x+2h-x ${2x22h) sin(24) zh/ = 2 cos (xth) sin h sin(a+2b)+sin(a-2b) = 2 sin in (at 26 ta-2b ang at 20-atz an (29/10/17 = 2 Los 5 C 26 2 © - 2 sin ( = 2 ana as 2b Pahamify
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