sin 60× cos 30 + cos 60×sin 30

( sin 60 × cos 30 ) + ( cos 60 × sin 30 )

= ( 1/2 akar 3 × 1/2 akar 3 ) + ( 1/2 × 1/2 )

= 1/4 akar 9 + 1/4

= 2/4 akar 9

= 6/4

= 3/2

TRIGONOMETRI (1)
• perbandingan trig

sin 60° cos 30° + cos 60° sin 30°
= ½√3 • ,½√3 + ½ • ½
= ¼√9 + ¼
= ¾ + ¼
= 1 ✅