Mathematics - Inverse Trigonometric Functions Question with Solution | TestHub

MathematicsInverse Trigonometric FunctionsSum And Difference Of AnglesMedium2 minQB

MathematicsMediumsingle choice

Evaluate $tan (cos^{- 1} (4/5) + tan^{- 1} (2/3))$ .

Answer:

Solution:

$cos^{- 1} (4/5) = tan^{- 1} (3/4)$ . Using tan addition gives (3/4+2/3)/(1-(3/4)(2/3))=17/6, which is absent from A-C.

Stream:JEESubject:MathematicsTopic:Inverse Trigonometric FunctionsSubtopic:Sum And Difference Of Angles

⏱ 2mℹ️ Source: QB

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