The value of 152(sin 30� + 2 cos 45�+3 sin 30� + 4 cos 45� +......+17 sin 30� +18 cos 45�) is
1.an integer but not a perfect square
2.a rational number but not an integer
3.a perfect square of an integer
4.irrational
Posted Date:-2021-09-13 16:39:25