ijohnh14
05.11.2020 •
Mathematics
1-2.
Joe surveyed 119 students at his school. In the survey, he asked students what type of pet
they had: dog, cat, both, or neither. The information is in the following Venn diagram.
Dog
Cat
45
21
?
17
Solved
Show answers
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Ответ:
305.54degrees
Step-by-step explanation:
WE are to find the principal value of tan^-1(-1.4). Principal value means the highest value
theta = tan ^-1(-1.4)
theta = -54.46
Since theta is negative in the fourth quadrant;
theta = 360 - 54.46
theta = 305.54degrees
Hence the principal value is 305.54degrees