Flag Integral Calculus> Please find this integral1/1+sin2x dx.......
question mark

Please find this integral1/1+sin2x dx.....................

Ashok Eswar , 7 Years ago
Grade 12
anser 1 Answers
Arun
Dear Ashok
 
1 /1 + sin2x = 1 / sin²x + cos ²x + 2 sinx cosx 
 
 = 1 / (sin x + cos x)²
 
Now divide by cos²x in both numerator and denominator.
 
Hence
 
sec² x/ (1 + tanx)²
Now integrate
 
1 + tan x = t
 
sec² x dx = dt
 
dt/ t² = -1/t =
 = -1 /(1 + tan x) + c
Last Activity: 7 Years ago
star
LIVE ONLINE CLASSES

Prepraring for the competition made easy just by live online class.

tv

Full Live Access

material

Study Material

removal

Live Doubts Solving

assignment

Daily Class Assignments