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Helga [31]
3 years ago
10

Simplify the expressions. √9a^2, if a<0 Please help with this

Mathematics
1 answer:
Rasek [7]3 years ago
4 0

CSC (x) , x = π

TAN (x) , x = -π

COS (x) , x = π/2

Step-by-step explanation:

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Please answer this correctly
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Answer:

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Step-by-step explanation:

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