Math, asked by BrainlyHelper, 1 year ago

Question 4: Prove 2tan¯¹ 1/2 + tan¯¹ 1/7 = tan¯¹ 31/17

Class 12 - Math - Inverse Trigonometric Functions

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Answered by vikaspatra121oyy8c1

2

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Answered by Anonymous

26

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