Tentukan himpunan penyelesaian dari
persamaan berikut dengan 0º < x < 360°
1. 2sinx – 3sinx – 2 = 0
2. 4cos²x – 8cosx + 1 = 0
3. 3cos²x – 5cosx – 2 = 0
bantu jawab yaa

Solve the problem. a student earned grades of c, a, b, and a in four different courses. those courses had these corresponding numbers of credit hours: 4, 5, 1, and 5. the grading system assigns quality points to letter grades as follows: a = 4, b = 3, c = 2, d = 1, and f = 0. compute the grade point average (gpa) and round the result to two decimal places. 3.40 3.50 8.75 2.18