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I have attached my question.Please evaluate in detail...

I have attached my question.Please evaluate in detail...

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Grade:11

1 Answers

Yash Jain
55 Points
6 years ago
Take sqrt(Cosx) common from the numerator. Factorise Sin2x as (1+Cosx)[1+sqrt(Cosx)][1-sqrt(Cosx)]
You’ll observe that the term [1-sqrt(Cosx)] is getting cancelled out from the Nr and Dr.
Now just take the limit in consideration and you’ll get the answer as ¼.

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