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Bond [772]
3 years ago
7

Cos^-1 sqrt 2/2 exact value

Mathematics
1 answer:
Leto [7]3 years ago
8 0
\sf cos^-1 (\frac{\sqrt{2}}{2})=cos^-1 (\frac{1}{ \sqrt{2}})= \frac{ \pi }{4} ={\boxed{45\°}
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3 years ago
3x+4[2x-3(x+1)-20x]=25x+100
sashaice [31]
Simplify:
3x + 4[2x -3x -3 -20x] = 25x +100
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6 0
3 years ago
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zavuch27 [327]

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