Math, asked by bebiraghu151, 1 year ago

prove that cosecA (1-cosA)(coseco A+cotA)*= 1

Answers

Answered by koushikj401

1

LHS= cosecA(1-cosA) (cosecA+cotA)

=cosecA (1-cosA)(1/sinA + cosA/sinA)

=cosecA (1-cosA)(1+cosA/sinA)

=cosecA( 1-cos^2A/sinA)

= 1/sinA(sin^2A/ sinA)

=1

= RHS

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