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10 questions from this quiz
[-π/2, π/2]
-1/√(1-x^2)
All real x
1/a tan^-1(x/a) + C
[0, π]
sin^-1(x/a) + C
1/√(1-x^2)
1/a tanh^-1(x/a) + C
Always increasing
Finding angles in triangles
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