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IF ABCD quadrilateral is a cyclic quadrilateral then sinA+sinB+sinC+sinD=

7 years ago

Answers : (1)

divya vikash
18 Points
										

A=(180-C)              -OPP. ANGLES OF CYCLIC QUADRILATERAL IS SUPPLEMENTARY


B=(180-D)              -SAME REASON


sin(180-C)+sinC+sinD+sin(180-D)


then continue solving

6 years ago
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