If cos(A-B)=1/sqrt 2and sin(A+B)=√3/2,in a triangle ABC angle c is an obtuse then show A=521/2degrees

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If cos(A-B)=1/sqrt 2and sin(A+B)=√3/2,in a triangle ABC angle c is an obtuse then show A=521/2degrees

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Raelynn 3 weeks 2021-08-19T10:56:25+00:00 1 Answer 0 views 0

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    2021-08-19T10:58:04+00:00

    Answer:

    A=B 1 gdye foto decided hargiz Dorset isey

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