Mathematics, 30.07.2019 22:30 aroyalstudent
Prove: tan(x-y)+tan(y-z)+tan(z-x)=tan(x-y) tan(y-z)tan(z-x)
Answers: 1
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Prove: tan(x-y)+tan(y-z)+tan(z-x)=tan(x-y) tan(y-z)tan(z-x)...
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