Question

1 .Convert pi/b  to degree in two decimal places, b = 2.0.
2. Evaluate cosec(a*pi) to three decimal places , where a * pi is in radians  and a =6.8 .
3. Convert 82.1 rad to degrees.report your answer to 1 decimal places .
4. Evaluate cot(a) to three decimal places.where a  is in radians and a =1.7.
5. Convert 24.60 rev to radians .report your answer to 2 decimal places .