In a triangle ABC, angleA is greater than angleB and A,B,C are the roots of the equation 3sinx-4sin3x-λ=0.Find the angleC.(0<λ<1) Please show the workout ...
A man stands on the top of a high building with a source of sound with frequency 1000 Hz.He accidently drops the device.Find the frequency of the sound heard by the man 4 seconds after he drops the device?(Speed of sound=320 ...
