y=2/sqrt( a^2-b^2 ) [ tan^(-1) {sqrt(a-b/a+b)tan(x+ 2)}] show that dy+dx=1 /(a+bcosx)

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y=2/sqrt( a^2-b^2 ) [ tan^(-1) {sqrt(a-b/a+b)tan(x+ 2)}] show that
dy+dx=1 /(a+bcosx)

Debjit · Answer

Please find this answer
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