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Trigonometry | If tan(x+y)tan(x-y)=1 | Find x?

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Trigonometry | If tan(x+y)tan(x-y)=1 | Find x?
Trigonometry | If tan(x+y)tan(x-y)=1 | Find x?
Trigonometry | If tan(x+y)tan(x-y)=1 | Find x?
maths
trigonometry
#educationpro
Trigonometry | If tan(x+y)tan(x-y)=1 | Find x?
Trigonometry | If tan(x+y)tan(x-y)=1 | Find x?
maths
trigonometry
#educationpro