Answer:
100000000
Step-by-step explanation:
Answer:
x = 0, π/4, π, 7π/4
Step-by-step explanation:
sin(2x) = √2 sin x
Use double angle formula.
2 sin x cos x = √2 sin x
Move everything to one side.
2 sin x cos x − √2 sin x = 0
Factor.
sin x (2 cos x − √2) = 0
Solve.
sin x = 0, cos x = ½√2
x = 0, π/4, π, 7π/4
2. d
3. c
4. a
5. a
6.
7. a
8. c
9. c
10. b
11. d
12. can’t read
13. a
14. c
15. b
16. can’t read
17. b
18. can’t read
19. c
20. c
