sin(-x)=-cos(x) for all values of x. true of false?

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sin(-x)=-cos(x) for all values of x. true of false?

Mathematics
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plugin \(x = 0\) and see if the equation satisfies
thank you! got the answer i was looking for!! I will definitely be @ ing you a lot more tonight!

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Awesome! may i knw the answer you got
it was false. right?
Yep! good job!
Yeah, there are better ways to see why. One would be to draw the graphs... another is to realise that sin(-x) = -sin(x) so the question really is sin(x) = cos(x) which is false :P

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