Question

In an exceneration the grades achieved by the student
ofa dass are given below
B,C,C,E,A,C,B,B,D,D,D,D,B,C,C,C,A,C,B,E,A,D,C,B,E,C,B,E,C,D,A,B,C,E,D,D,A,A,C,E,
(a) Arrange the grades using tally marks ?
(b)How many students get grade E?
(c) the grade where maximun students are present?
(d) The grade where minimun students are present ?
​

Answer 1

Step-by-step explanation:

If θ be an acute angle, the values of sin θ and cos θ lies between 0 and 1 (both inclusive). The sine of the standard angles 0°, 30°, 45°, 60° .