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x=a sin t and y= a (cos t + log "tan"(t)...

`x=a sin t and y= a (cos t + log "tan"(t)/(2))` then find `(d^(2)y)/(dx^(2))`.

Text Solution

Verified by Experts

The correct Answer is:
`-(cosec^(2) t)/(4 cos t)`
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