[" Questions for various competitive exams "],[" 1."4tan^(-1)(1)/(5)-tan^(-1)(1)/(239)" Value of है- "]

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4 tan^(-1)(1/5)-tan^(-1)(1/239) is equal to

4 tan^(-1)(1/5)-tan^(-1)(1/239) is equal o

Find the value of 4tan^(-1)((1)/(5))-tan^(-1)((1)/(239))

Find the value of 4tan^(-1)(1/5)-tan^(-1)(1/239) .

Find the value of 4"tan"^(-1)1/(5)-"tan"^(-1)1/(239) .

Prove: 4tan^(-1)((1)/(5))-tan^(-1)((1)/(239))=(pi)/(4)

Prove: 4 tan^(-1) (1/5 )- tan^(-1)( 1/239) = pi/4

4 tan ^(-1 )""(1)/(5) - tan ^(-1)""(1)/(239)=(pi)/(4)

Prove the following: 4\ tan^(-1)(1/5)-tan^(-1)(1/(239))=pi/4