Add the integers.1 + (-1)
A. 1
B. 0
C. -1
D. 2
Answer: B
Mathematics
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Express the trigonometric function in terms of the same function of a positive acute angle.tan 127°
A. -tan 8° B. tan 8° C. tan 53° D. -tan 53°
Mathematics
Find the interval of convergence of the series.
A. x < 14 B. -2 ? x ? 14 C. 5 ? x ? 7 D. -14 < x < 14
Mathematics
Divide and simplify.
÷ 
A. 
B. 
C. 
D. 
Mathematics
Find z1z2. Express the answer in standard form.z1 = 8(cos 300° + i sin 300°)z2 = 6
A. -12 + 12i
B. 12
+ 12i
C. -48i
D. 24
Mathematics