(cosec alpha - Sec alpha) (cot alpha- Tan alpha)
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Answer:
LHS=(sinα+cosα)(tanα+cotα)=(sinα+cosα)(cosαsinα+sinαcosα)=sinα+cosα(cosαsinαsin2α+cos2α)=sinαcosαsinα+cosα=cosα1+sinα1=secα+cscα=RHS
I think it is a brainleast answer thanks
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