MathematicsMedium66×since 2002Q4075If the inverse trigonometric functions take principal values then cos−1(310cos(tan−1(43))+25sin(tan−1(43))){\cos ^{ - 1}}\left( {{3 \over {10}}\cos \left( {{{\tan }^{ - 1}}\left( {{4 \over 3}} \right)} \right) + {2 \over 5}\sin \left( {{{\tan }^{ - 1}}\left( {{4 \over 3}} \right)} \right)} \right)cos−1(103cos(tan−1(34))+52sin(tan−1(34))) is equal to :A0Bπ4{\pi \over 4}4πCπ3{\pi \over 3}3πDπ6{\pi \over 6}6πCheck answerSkip