* Brittany's teacher tells her that she did well on the Statistics test - her z-score was 1.80 on the test. If the mean score on
1 answer:
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Answer:
Answer C:
Cannot be true because is greater than zero in quadrant 2.
Step-by-step explanation:
When the csc of an angle is negative, since the cosecant function is defined as:
that means that the sin of the angle must be negative, and such cannot happen in the second quadrant. The sine function is positive in the first and second quadrant.
Therefore, the correct answer is:
Cannot be true because is greater than zero in quadrant 2.
central angle of a circle whose radius is 8 cm and intercepted arc length is 7.2 cm is 0.9 radians
Step-by-step explanation:
We need to find the central angle of a circle whose radius is 8 cm and intercepted arc length is 7.2 cm.
arc length l== 7.2 cm
radius =r= 8 cm
central angle=Ф = ?
The formula used is:
Putting values:
So, central angle of a circle whose radius is 8 cm and intercepted arc length is 7.2 cm is 0.9 radians
Keywords: central angle of circle
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