sins88Use our sin(x) calculator to find the sine of 88 degrees - sin(88 °) - or the sine of any angle in degrees and in radians.SINS88 Himachal Pradesh University Business School Summer Hill, Shimla, Himachal Pradesh - 171005. Ph. No. : 0177-2831653 Fax : 0177-2830938 E-Mail : sins88hpubsdirector@.