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- TECHNIQUES OF INTEGRATION
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- List of Techniques
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- 1) integration of powers of trig functions
- 2) trig substitution
- 3) completing the square
- 4) integration by parts
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- The following results are used widely in this area.
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- 2 2
- sin x + cos x = 1
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- 2 2
- tan x + 1 = sec x
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- 2
- sin x = (1 - cos 2x)/2
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- 2
- cos x = (1 + cos 2x)/2
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- sin (A ± B) = sin A cos B ± sin B cos A
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- cos (A + B) = cos A cos B - sin A sin B
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- cos (A - B) = cos A cos B + sin A sin B
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- 2 2
- ax + bx + c = a(x + bx/a) + c
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- 2 2 2 2
- = a(x + bx/a + b /4a ) + c - b /4a
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- 2 2
- = a(x + b/2a) + c - b /4a
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- ⌠ ⌠
- │ u dv = uv - │ v du
- ⌡ ⌡
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