ข้อสอบคณิตศาสตร์ ม.๕ (ตอน๒)พร้อมเฉลย
Name: ________________________________
1. cos(71)=x
2. cos(58)=x
3. cos(49)=x
4. cos(41)=x
5. cos(66)=x
6. cos(69)=x
7. cos(67)=x
8. cos(35)=x
9. cos(73)=x
10. cos(17)=x
11. cos(62)=x
12. cos(36)=x
13. cos(23)=x
14. cos(22)=x
15. cos(3)=x
16. cos(51)=x
17. cos(18)=x
18. cos(65)=x
19. cos(38)=x
20. cos(30)=x
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Answer Sheet
1. x=cos(71)?0.3255681544572
2. x=cos(58)?0.5299192642332
3. x=cos(49)?0.6560590289905
4. x=cos(41)?0.7547095802228
5. x=cos(66)?0.4067366430758
6. x=cos(69)?0.3583679495453
7. x=cos(67)?0.3907311284893
8. x=cos(35)?0.819152044289
9. x=cos(73)?0.2923717047227
10. x=cos(17)?0.956304755963
11. x=cos(62)?0.4694715627859
12. x=1/4+1/4?5^(1/2)?0.8090169943749
13. x=cos(23)?0.9205048534524
14. x=cos(22)?0.9271838545668
15. x=cos(3)?0.9986295347546
16. x=cos(51)?0.6293203910498
17. x=1/4 (10+2?5^(1/2) )^(1/2)?0.9510565162952
18. x=cos(65)?0.4226182617407
19. x=cos(38)?0.7880107536067
20. x=1/2?3^(1/2)?0.8660254037844