Decide whether or not the given equation is an identity.
= cos ? csc2 ?
A. Yes
B. No
Answer: B
Mathematics
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Perform all operations in correct order.72 - 2 × 4
A. 188 B. 100 C. 140 D. 41
Mathematics
Find zw or 
as specified. Leave your answer in polar form.z = 1 + iw = 1 - 
iFind 
.
A. 
(cos 15° + i sin 15°)
B. 
(cos 15° + i sin 15°)
C. 
(cos 105° + i sin 105°)
D. 
(cos 105° + i sin 105°)
Mathematics
Solve the equation and check the solution.-3(x + 8) - (-4x - 2) = 3
A. x = - 25 B. x = 25 C. x = - 19 D. x = 7
Mathematics
For the function f, construct and simplify the difference quotient 
.f(x) = 5x - 8
A. 0
B. 5 + 
C. 5
D. 5 + 
Mathematics