Answer:
See below
Step-by-step explanation:
4 sin^2 -1 =0
sin^2 = 1/4 Take sqrt of both sides
sin = ± 1/2 < ===== this is likely where he went wrong (forgot + - )
answer: pi/6 5pi/6 7 pi/6 11pi/6
Answer:C and D
Step-by-step explanation: Hope this helps
Answer: 1.721 to the power of 10
Step-by-step explanation:
Answer: 1-27 2-8 3-9 4-32
Step-by-step explanation: