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Prove that tan^(-1)""(1)/(5)+tan^(-1)""(...

Prove that `tan^(-1)""(1)/(5)+tan^(-1)""(1)/(7)+tan^(-1)""(1)/(3)+tan^(-1)""(1)/(8)=(pi)/(4)`

Text Solution

Verified by Experts

The correct Answer is:
`tan^(-1)1=(pi)/(4)`
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