Answers created by Skb
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Point A is at (-8 ,-7 ) and point B is at (-3 ,-4 ). Point A is rotated pi/2 clockwise about the origin. What are the new coordinates of point A and by how much has the distance between points A and B changed?
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Given cos 40=m and sin 10=n,can u please express sin 50 in terms of m and n?