Math, asked by advleenam, 6 months ago

(cosecA-cotA)^2 = (1-cosA)/1+cosA​

Answers

Answered by bswagatam04
1

Answer:-

LHS=( cosecA - cotA )²

= ( 1/ sinA - cosA/sinA )²

= ( 1 - cosA/ sinA )²= ( 1 + cosA )²/ sin²A

= ( 1 - cosA )²/ 1 - cos²A

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

= 1 - cosA / 1 + cosA

.°. LHS=RHS

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