Answer:
Figure or Diagram Mandatory
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A^2+b^2=c^2
Is the Pythagorean theorem
Min {sin(x) | 0 is les than or equal to x less than or greater than or equal to 2 pie = -1 at x = 3 pie over 2
5(i + 2) = 8(i -1)
5i + 10 = 8i -8
-3i + 10 = -8
-3i = -18
i = 6