Hi,

I work with Excel on this math report and the formula I typed in just kept

not working properly. The results were all off. So I checked everything very

carefully and found out why it didn't work. In need to calculate sin and cos

so I typed =SIN(45) in one cell and =COS(45) in another cell just to check if

it works and ... Surprise! I ended up with two different results instead of

0,707 for both!!! I tried with =SIN(0), =SIN(180) and =SIN(360) and again ...

wrong (supposed to be "0" for all of them). If someone knows a way to fix

that, it would be of great help!

By the way, Happy Valentine Day!

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