-sin 45°+cos 60°-tan 45°
Matematika
Ristyevina17
Pertanyaan
-sin 45°+cos 60°-tan 45°
1 Jawaban
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1. Jawaban VaddioHuda
-sin 45° = - √2/2
cos 60° = ½
-tan 45° = -1
-sin 45°+cos 60°-tan 45°
= -√2/2 +½ - 1
= -√2/2 + ½ - 2/2
= -√2/2 -½
√2-1
= ---------
2