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Question is attached … pls solve ASAP

Question is attached … pls solve ASAP

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Grade:12

1 Answers

ng29
1698 Points
8 years ago
put sinx+cosx=t
sq both sides 1+sin2x=t2
in denominator multiply and divide by 2 to make above line
(cosx-sinx)dx=dt
 
now que is 
t/t2+1
put t2+1=p
and solve
 
plz approve if useful
 

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