UPSC 2013 CDS 1 Math Paper
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Directions : Consider teh folowing for the next four (04) questions that folllow:
The angles A, B, C, D of the quadrilateral ABCD are in the ratio1 : 2 : 4 : 5
The angles A, B, C, D of the quadrilateral ABCD are in the ratio
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Question : 54 of 100
Marks:
+1,
-0
Congider the following statements:
1. ABCD is a cyclic quadrilateral.
2.sin ( B − A ) = cos ( D − C )
Which of the above statements is/are correct?
1. ABCD is a cyclic quadrilateral.
2.
Which of the above statements is/are correct?
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