cos(,90-×)+sin(360-x)-cos(180+x)+sin(270-x)=
Matematika
yuyun641
Pertanyaan
cos(,90-×)+sin(360-x)-cos(180+x)+sin(270-x)=
1 Jawaban
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1. Jawaban Anonyme
TriGonoMetRi
cos (90 - x) + sin(360 - x) + cos (180 + x) + sin (270 - x)
= sin x + (-sin x) + (- cos x) + (-cos x)
= - 2 cos x ✔