sin 90 +cos 180+ tan 270
Matematika
candra340
Pertanyaan
sin 90 +cos 180+ tan 270
1 Jawaban
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1. Jawaban keruasriki
sin90 + cos180 + tan270
= sin90 + cos(90 +90) + tan(360-90)
= sin90 + (-sin90) + tan90
= 0 + ~
= ~