Question

The value of (Tan–¹ 5 + Tan–¹ 3) =​

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

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${ \tan}^{ - 1} 5 + { \tan}^{ - 1} 3 \\ = { \tan }^{ - 1} \frac{5 + 3}{1 - 5 \times 3} \: \ \\ = { \tan}^{ - 1} \frac{8}{ - 14 } \\ = { \tan }^{ - 1} \frac{ - 4}{7}$