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ra1l [238]
3 years ago
5

What is i^-2please help urgently1-1i-i

Mathematics
1 answer:
Semenov [28]3 years ago
4 0
-1 is the answer
This is because put 1/i^2 then reduce to 1/-1=-1
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A good trick to remember is SOH CAH TOA.

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Here, we're given an angle and the opposite side, and we want to find the adjacent side.  So we need to use tangent.

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