Jawaban:
√2
Penjelasan dengan langkah-langkah:
sin 120° + cos 315° + sin 135° + sin 240°
= 1/2 √3 + 1/2 √2 + 1/2 √2 - 1/2 √3
= 1/2 √3 - 1/2 √3 + √2
= √2
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Jawaban:
√2
Penjelasan dengan langkah-langkah:
sin 120° + cos 315° + sin 135° + sin 240°
= 1/2 √3 + 1/2 √2 + 1/2 √2 - 1/2 √3
= 1/2 √3 - 1/2 √3 + √2
= √2