Determine the value of sin 52 degrees and 47 mins. in this case mins are 1/60 of a degree

52°47', well, since there are 60 minutes in 1 degree, thus there are 47/60 degrees in 47', namely about 0.78.

thus 52°47' is about 52.78°, plug that in your calculator, make sure your calculator is in Degree mode.