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

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

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1 Answers

divya vikash
18 Points
11 years ago

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

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