#### Question

Prove that:

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

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#### Solution

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#### Reference Material

Solution for question: Prove that: tan^−1 1/5+tan^−1 1/7+tan^−1 1/3+tan^−1 1/8=π/4 concept: Properties of Inverse Trigonometric Functions. For the courses CBSE (Arts), CBSE (Commerce), CBSE (Science)