sin45 tan45/cos 45 tan 315
Matematika
gallynaldy
Pertanyaan
sin45 tan45/cos 45 tan 315
1 Jawaban
-
1. Jawaban ariza10
=sin 45° tan 45°/ cos45° . tan 315°
= 1/2√2.1/1/2√2(-1)
=1/2√2/-1/2√2
= -1