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Rebecca Black

Trig Problem

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I don't think you can do anything with a cos without any numbers.

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I gave it a go. Don't think it's right though since I'm not very good at maths.

 

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I'm a math student, Cos without anything in parenthesis is like taking the Log of nothing.

As for the question, with limited resources.

 

This equation doesn't have a True or False. You have 2 variables (x and y) and one equation, meaning that it could be either for different values of x and y.

This equation is true for Sin[(1-1)/2]=Sin[0]=0 and Tan[(x-y)/2] with x=y giving Tan[0]=0 so you have 0 on both sides.

 

~Razorlike

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