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Mathematics 14 Online
OpenStudy (anonymous):

Cos90+sin45= 1 / 5

OpenStudy (anonymous):

?

OpenStudy (anonymous):

no its not

OpenStudy (anonymous):

\[\text{Cos}\left[\frac{\pi }{2}\right]+\text{Sin}\left[\frac{\pi }{4}\right]=\frac{1}{\sqrt{2}} \]

OpenStudy (anonymous):

1/(2)^1/2

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