Q1 of 380 Page 658

Evaluate the following integrals:

(i)


(ii)


i)


⇒


Now, we know that 1-cos2x=2sin2x


So, applying this identity in the given integral, we get,



⇒




Ans:


ii)


⇒


Now, we know that 1+cos2x=2cos2x


So, applying this identity in the given integral, we get,



⇒




Ans:


More from this chapter

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100

Mark (√) against the correct answer in each of the following:


 101

Mark (√) against the correct answer in each of the following:


 2

Evaluate the following integrals:

(i)


(ii)


3

Evaluate the following integrals:

(i)


(ii)