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Find the sum of solutions in the interval [0, pi], of:
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The number of solutions of the equation asin(2x)=a, where x ∈ [-2pi, 2pi], where a ≠ 0, is:
a) 2
b) 4
c) 6
d) 8
e) 12
I got... 9...
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First one.
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Second one.
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thanks Jane, I made a mistake with the second one, thinking sin2x = 0 somehow. Nice solution to the first problem though.
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