Q29 of 261 Page 834

Prove that


Let, x = a sin t

⇒ dx = a cos t dt


At x = 0, t = 0


At x = a, t = π/2







Again, sin t + cos t = z


⇒ (cos t – sin t) dt = dz


At t = 0, z = 1


At t = π/2, z = 1





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