Sin² 30+ sin² 60+sin² 90=
Matematika
ainilsofani27
Pertanyaan
Sin² 30+ sin² 60+sin² 90=
1 Jawaban
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1. Jawaban Anonyme
Kelas 10 Matematika
Bab Trigonometri
sin² 30° + sin² 60° + sin² 90°
= (1/2)² + (1/2 √3)² + 1²
= 1/4 + 3/4 + 1
= 2