CBSE BOARD X, asked by avtarsingh97, 1 year ago

please give a solution

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Answered by uma25

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I hope this will help uu plzz mark me brainlist plzzz if it will help uuu byy

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Answered by Kaif9927

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(1 + Cot A +Tan A ) ( SinA -CosA )

= SinA +CosA +Sin2A/CosA -CosA -Cos2AsinA -Sin A

=Sin2A/ CosA -Cos2A/SinA

= SecA/Cosec2A -Cosec/Sec2A

sinA(TanA) - CotA CosA

= Sin2A / cosA - Cos2A SinA

Sec2A/cosec2A - CosecA/Sec2A

LHS = CENTRE = RHS

hence proved

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