Description

sin(pi/2) = 1
cos(pi/2) = 0
? = )

y

9 years ago
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2+2=4

9 years ago
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Thanks for the chance ;)

9 years ago
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Thanks mate :)

9 years ago
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9 years ago
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XD

9 years ago
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sin^2x+cos^2x=1

9 years ago
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it doesn't get the point :0

9 years ago
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im just trying to be clever

9 years ago
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tg x = ctg (pi/2 -x)
Thx!

9 years ago
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Congrats!

9 years ago
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Thanks for the game :D

9 years ago
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Congrats!

9 years ago
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