Establish the identity.tan u(csc u - sin u) = cos u
What will be an ideal response?
tan u(csc u - sin u) = tan u ? csc u - tan u ? sin u = 
? 
- 
? sin u = 
- 
= 
= 
= cos u
Mathematics
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Decide if the statement is true or false.The value of csc ? is always less than 1.
A. True B. False
Mathematics
Use synthetic division and the Remainder Theorem to find the indicated function value.f(x) = 4x4 + 10x3 + 2x2 - 6x + 43; f(-2)
A. 103 B. 81 C. 98 D. 47
Mathematics
Find all specified roots.Cube roots of 1.
A. 1, - 
+ 
i, - 
- 
i
B. -1, 1
C. 1, 
+ 
i, - 
+ 
i
D. 1, 
- 
i, - 
- 
i
Mathematics
Solve.The seats in a lecture hall are arranged in 21 rows with 6 seats in each row. How many seats are in this lecture hall?
A. 120 seats B. 126 seats C. 136 seats D. 132 seats
Mathematics