Jawaban:
tan 135° . sin 270° . cos 135°
cos 225 . sin 150°
= -1 x (-½ √2) x (-1)
½ x (-½ √2)
= ½ √2
¼ √2
= 4
2
= 2
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Jawaban:
tan 135° . sin 270° . cos 135°
cos 225 . sin 150°
= -1 x (-½ √2) x (-1)
½ x (-½ √2)
= ½ √2
¼ √2
= 4
2
= 2