Classify the angle as acute, right, obtuse, or straight.
A. Right
B. Straight
C. Acute
D. Obtuse
Answer: A
Mathematics
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Identify the number as prime or composite.30
A. Composite B. Prime
Mathematics
Complete the identity.sin ? [sin(2?) + sin 4?)] = ?
A. cos ? [cos(2?) - cos(4?)]
B. cos ? [cos(2?) + cos(4?)]
C. 
cos ? [cos(2?) + cos(4?)]
D. 
cos ? [cos(2?) - cos(4?)]
Mathematics
Find zw or 
as specified. Leave your answer in polar form.z = 5(cos 35° + i sin 35°)w = 2(cos 40° + i sin 40°)Find zw.
A. 10(cos 75° + i sin 75°) B. 7(cos 50.9° + i sin 50.9°) C. 10(cos 50.9° + i sin 50.9°) D. 7(cos 75° + i sin 75°)
Mathematics
Write exponential notation.(-9) ? (-9) ? (-9) ? (-9) ? (-9) ? (-9)
A. -(9)6 B. (-9)6 C. 6(-9) D. -54
Mathematics