Math, asked by harjeetsingh9447, 8 months ago

Cosec a(1+cosa)(coseca-cota)=1

Answers

Answered by pulakmath007

1

Answer:

Cosec a(1+cosa)(coseca-cota)

= ( Cosec a+cosec a ×cosa)(coseca-cota)

= (coseca+cota)× (coseca-cota)

= (cosec a ) ^2 - (cota)^2

= 1

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