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A train crosses a platform 180 m long in 60 sec at a speed of 72 km/h. The time taken by the train to cross an electric pole is:
If A & B are complementary angles, then the value of sinA.cosB + cosA.sinB - tanA.tanB + sec2A - cot2B is
If \(tan^2θ = 1-e^2\) , then the value of \(secθ + tan^3 θ.cosecθ\) is:
The volume(in cm3) of a cone with radius of base 119 cm and height 207 cm is:
If \(sec\theta = x + {1\over 4x}\) (0° < θ < 90°), then secθ + tanθ is equal to