Math, asked by pikachu58, 1 year ago

prove that cosecA+cotA=sinA/1-cosA​

Answers

Answered by tanmoyvestige
1

Answer:

L.H.S

cosecA-cotA

=1/sinA-cosA/sinA

=(1-cosA)/sinA

=2sin²A/2/(2sinA/2cosA/2)

=sinA/2/cosA/2

=tanA/2

R.H.S

sinA/1+cosA

=(2sinA/2cosA/2)/2cos²A/2

=sinA/2/cosA/2

=tanA/2

HERE WE CAN SEE FROM LHS AND RHS SAME ANSWER IS COMING

SO WE CAN SAY

LHS = RHS

HENCE PROVED

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