Verify the identity.5 csc2? - 2 cot2? = 3 csc2? + 2
What will be an ideal response?
5 csc2? - 2 cot2? = 3 csc2? + 2 csc2? - 2 cot2? = 3 csc2? + 2 (csc2? - cot2?) = 3 csc2? + 2
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State whether you think the difference between what occurred and what you would expect by chance is statistically significant.At Linden High School there are math tests at the end of each three-month session. On all of the last 10 days when there was a math test at school, Brian got a cold and had to stay home. He didn't have colds at other times.
A. Not statistically significant B. Statistically significant
Solve the equation.
- 
= 0
A. 
B. 
C. 
D. 
Write the indicated event in set notation.When four coins are tossed, exactly three tails are obtained.[Hint: When four coins are tossed, the following 16 outcomes are possible:HHHH HHHT HHTH HHTTHTHH HTHT HTTH HTTTTHHH THHT THTH THTTTTHH TTHT TTTH TTTT]
A. 
B. 
C. 
D. 
Subtract. Use borrowing, if necessary.
A. 23,775 B. 30,775 C. 23,769 D. 23,709