SOAL SUDUT ISTIMEWA TRIGONOMETRI
(MATEMATIKA KELAS X SMA/ MA/ SMK)
Oleh : Suryadi
Direction of Education Apenso Indonesia
Soal:
2 (tan 45°)^2 + (cos 30°) - (sin 60°)^2 = ................
Jawab:
2 (tan 45°)^2 + (cos 30°) - (sin 60°)^2
= 2 ( 1 )² + ( 1/2 √3 ) - ( 1/2 √3 )²
= 2 + 1/2 √3 - 3/4
= 1 1/4 + 1/2 √3
Hubungi : WA 0823 3846 4171
🌸Selamat Belajar & Good Luck!🌸
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