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Find (dy)/(dx), when: tan(x+y)+tan(x-y...

Find `(dy)/(dx)`, when:
`tan(x+y)+tan(x-y)=1`

Text Solution

Verified by Experts

The correct Answer is:
`(sec^(2)(x+y)+sec^(2)(x-y))/(sec^(2)(x-y)-sec^(2)(x+y))`
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