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Mathematics, 27.06.2021 19:40 xelynncaldera
If ABCD is a cyclic quadrilateral and A, B,C, D are its interior angles , then prove that
tanA/2+tanB/2=cotC/2+cotD/2
answer the question plz ​
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If ABCD is a cyclic quadrilateral and A, B,C, D are its interior angles , then prove that
tanA/2+t...
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