Matematika Sekolah Menengah Atas nilai dari sin 3π/4.cos 2π/3 - cos 3π/4.cos 2π/3​

raedanielulv – May 12, 2023

nilai dari sin 3π/4.cos 2π/3 - cos 3π/4.cos 2π/3​

Penjelasan dengan langkah-langkah:

= sin 3π/4 . cos 2π/3 - cos 3π/4 . cos 2π/3

= sin(3π/4 - 2π/3)

= sin(135° - 120°)

= sin(15°)

= (√6 - √2)/4

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