$\text { Solve the equation: } \cos ^{-1}(a / x)-\cos ^{-1}(b / x)=\cos ^{-1}(1 / b)-\cos ^{-1}(1 / a)$

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3 years ago

Since, cos^-1(a/x) – cos^-1 (b/x) = cos^-1 (1/b) – cos^-1 (1/a)

RD Sharma Solutions for Class 12 Maths Chapter 4 Inverse Trigonometric Functions Image 65