If the numerical value of is , HCF

MATHEMATICS · Single correct · CBSE · Mathematics · Inverse Trigonometric Functions · Inverse Trigonometric Functions

Problem

If the numerical value of tan⁡{cos⁡−1(45)+tan⁡−1(23)}\tan \left\{ \cos^{-1} \left( \frac{4}{5} \right) + \tan^{-1} \left( \frac{2}{3} \right) \right\} is ab\frac{a}{b} , HCF (a,b)=1(a, b) = 1 , then (1) a+b=23a + b = 23 (2) a−b=11a - b = 11 (3) 3b=a+13b = a + 1 (4) 2a=3b2a = 3b

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