Math, asked by prajwal02, 11 months ago

1-cos A +cos B-cos(A+B)
1+cos A-cos B-cos(A+B)
= tan-

Answers

Answered by SwaggerKing

Complete your question

prajwal02: sorry my mistake

SwaggerKing: yes

prajwal02: tan a/2cotb/2

prajwal02: plz ans

prajwal02: if you know it's ans

SwaggerKing: LHS is also not complete

SwaggerKing: there is no sign between cos(a+b) & 1

prajwal02: upon

SwaggerKing: ok

prajwal02: sorry

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