IF ABCDquadrilateral is a cyclic quadrilateral then sinA+sinB+sinC+sinD=
candy candy , 14 Years ago
Grade
Trigonometry> trigonometry...
1 Answersdivya vikash
Last Activity: 14 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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