CBSE Class 10 Answered
Solve:
Asked by nkrbasak | 19 Sep, 2010, 12:21: PM
Expert Answer
secA = cosecB = 15/7
So cosA = sinB =7/15
Hence A + B = 90 degrees because cosA = sinB
Answered by | 19 Sep, 2010, 02:23: PM
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