SOAL SUDUT ISTIMEWA TRIGONOMETRI (MATEMATIKA KELAS X SMA/ MA/ SMK)

SOAL SUDUT ISTIMEWA TRIGONOMETRI

(MATEMATIKA KELAS X SMA/ MA/ SMK)

Oleh : Suryadi

Direction of Education Apenso Indonesia

Soal:

( sin 30° + tan 45° - csc 60° ) / ( sec 30° + cos 60° + cot 45° ) 

= ( 1/2 + 1 - 2/3 √3 ) / ( 2/3 √3 + 1/2 + 1 ) 

= ( 3/6 + 6/6 – 4/6 √3 ) / ( 4/6 √3 + 3/6 + 6/6 )

= {( 9 – 4 √3 )/6 } / { ( 9 + 4 √3 )/6 }

= {( 9 – 4 √3 )/6 } x { 6 /( 9 + 4 √3 )}

= (9 – 4 √3 )/ ( 9 + 4 √3 )

Hubungi : WA 0823 3846 4171

🌸Selamat Belajar & Good Luck!🌸