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Grade: 12th pass
        Please do solve this question number is 11. Hurry up.
one year ago

Answers : (1)

Phanindra
226 Points
							
Hii...first of all...convert tanx and cotx in yerms of sinx and cosx...then u will get integral 0 to pie/2
sinx + cosx ÷ (sinx.cosx)1/2       
Now...put (sinx - cosx )= t -------equation (1)
On diff., (cosx + sinx )dx = dt...
Now square eq. (1) on both sides....you will get 
1- 2sinx.cosx =t2
Now...sinx.cosx =(1- t2)/2
Also change the lower and upper limits...you will definitely get the answer...
one year ago
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