sin 270° cos 135° tan 135° per sin150° cos 225° =
Matematika
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Pertanyaan
sin 270° cos 135° tan 135° per sin150° cos 225° =
1 Jawaban
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1. Jawaban grasiel
sin 270° cos 135° tan 135°
__________________
sin 150° cos 225°
= -1 x -√2/2 x -1
___________
1/2 x -√2/2
= -√2/2
_____
-√2/4
= -√2/2 x -4/√2
= 4/2
= 2
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