Math, asked by kuldeepsachdev1085, 1 year ago

Cosec (45+x/2) cosec (45-x/2)

Answers

Answered by Janete

2

cosec (45+x/2 )( 45 -x/2)
= cosec ( 45)^2 - (x/2)^2
=cosec (2025 -x^2/2)
=cosec (4050-x^2/2)

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