Bab 1 Fungsi, Persamaan, dan Pertidaksamaan Eksponensial
Tupok 1 Tugas Kelompok 1
Soal dan Jawaban Matematika Kelas X Sukino
TUPOK 1
5. Let
2x - 2-x
s (x) = --------------
2
and
2x + 2-x
c (x) = --------------
2
compute [c(x)]2 - [s(x)]2
Jawaban :
[c(x)]2 - [s(x)]2
= 1/4 (2x + 2-x)2 - 1/4 (2x - 2-x)2
= 1/4 (22x + 2-2x + 2) - 1/4 (
= 1/4 (2) - 1/4 (-2)
= 1/2 + 1/2
= 1
>> Tupok 1 no 6 Matematika Sukino Kelas X
No comments:
Post a Comment