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1. If Tan A= -40/9 andA is in Quad II, and Tan B =20/29 andB is in Quad III Find Cos (A+B) 2. It is
1. If Tan A= -40/9 andA is in Quad II, and Tan B =20/29 andB is in Quad III Find Cos (A+B)
2. It is known thatA lies in Quad II and Tan A= -5/12
Find Sin 2A
Find Cos (A/2)
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Encyclopedia Of Distances
Authors: Michel Marie Deza, Elena Deza
3rd Edition
3662443422, 9783662443422
