Integration by substitution, hyperbolic and logarithmic functions.

[STEP III 2011 Question 6 (Pure)]

Integration by parts

[STEP I 2011 Question 2 (Pure)]

Approximation using binomial expansion, trigonometry.

[STEP II 2008 Question 5 (Pure)]

Integration by substitution.

[STEP I 2003 Question 6 (Pure)]

Substitution, trigonometry.

[STEP II 1993 Question 2 (Pure)]

Integration by substitution, trigonometry, hyperbolic function.

[STEP II 1992 Question 8 (Pure)]