sederhanakan: a. sin 45 drajad + cos 135 drajad
Matematika
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Pertanyaan
sederhanakan: a. sin 45 drajad + cos 135 drajad
1 Jawaban
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1. Jawaban Sutr1sn0
sin 45° + cos 135°
= (1/2 akar 2) + (-1/2 akar 2)
= (1/2 akar 2) - (1/2 akar 2)
= 0