Question

in cyclic quadrilateral ABCd, prove that sin a = sin c

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Answer 1

Step-by-step explanation:

in Cyclic quad.

opposite angle sum of cyclic quad is = 180°

So,

angle A + angle C = 180°

angle C = 180° - angle A

RHS = Sin C = Sin( 180° - angle A) = Sin A = LHS

Hence proved