Math, asked by Spurthi794, 1 year ago

1+cosA/ sin^2 A = 1/1-cosA
plz prove this

Answers

Answered by RahulRJVeer

To prove , 1+CosA/Sin²A = 1/1-CosA

LHS

1+ CosA / Sin²A

=} 1 + CosA / 1 - Cos²A [ Sin²A = 1 - Cos²A ]

=} 1 + CosA / (1)² - (CosA)²

=} 1 + CosA / ( 1- CosA )( 1 + CosA ) [ (a)² - (b)² = (a + b)(a - b)

=} 1 / 1 - CosA

Hence proved ,

LHS = RHS

Hope it helped You...

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Answered by adityaaryaas

Answer:

Please find the aatached file.

Step-by-step explanation:

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