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Published byRandall Cain Modified over 6 years ago
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x 3 We know this integral: But what about this integral:
Playing around with the Substitution method would give us the answer but let’s try a different approach: Consider that 9 + x2 is the sum of two squares. Then if we made 9 and x two sides of a right triangle… …and we can safely say given this info that…
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We know this integral: x But what about this integral: 3
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But what about this integral:
3 x
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But what about this integral:
x 3
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Trigonometric Substitutions
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#36 5 t Half-Angle Formula
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#36 5 t Double-Angle Formula
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