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27 votes
27 votes
Could someone please answer the following question?

Could someone please answer the following question?-example-1
User Lulylulu
by
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1 Answer

27 votes
27 votes

Answer:

See below

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

User Adel Bachene
by
2.8k points