how many solutions does cosv=3√2 in the interval 90°≤v≤270° ?
- Iggy RockoLv 71 month ago
cosv=3√2 has no solutions. The range of cosv is [-1,1] but 3√2 > 1.
If you meant cosv = -√3/2, then there are two solutions:
v = 5pi/6 or v = 7pi/6
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