Write the function in terms of a function of the reference angle.cos 
A. cos 
B. -cos 
C. cos 
D. -cos 
Answer: D
Mathematics
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Expand.(3x2 - y)5
A. 243x10 - 405x8y + 270x6y2 - 90x4y3 + 15x2y4 - y5 B. 243x10 + 405x8y + 270x6y2 + 90x4y3 + 15x2y4 + y5 C. 243x10 + 405x8y - 270x6y2 + 90x4y3 - 15x2y4 + y5 D. 243x10 - 405x8y - 270x6y2 - 90x4y3 - 15x2y4 - y5
Mathematics
Find all cube roots of the complex number. Leave answers in trigonometric form.2 + 2i
A. 
cis 20°, 
cis 140°, 
cis 260°
B. 
cis 20°, 
cis 140°, 
cis 260°
C. 
cis 30°, 
cis 150°, 
cis 270°
D. 
cis 20°, 
cis 140°, 
cis 260°
Mathematics
Find the effective rate of interest.50.06% compounded daily
A. 64.915% B. 50.183% C. 50.965% D. 50.265%
Mathematics
Write the number in scientific notation.An music album sells 436,000,000 copies.
A. 4.36 × 106 B. 4.36 × 107 C. 4.36 × 108 D. 4.36 × 10-7
Mathematics