Math, asked by Reetikadhobale, 3 months ago

to prove and fill this

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Answered by dolemagar

0

Step-by-step explanation:

LHS= (1+cot²∅)(1-cos∅)(1+cos∅)

=(1+cot²∅)×[(1)²-cos²∅]

= cosec²∅×sin²∅

= 1/sin²∅ × sin²∅

=1

= RHS

formulas used

(a-b)(a+b)= a²-b²

1-cos²∅= sin²∅

Cosec²∅= 1/sin²∅

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