Find zw or 
as specified. Leave your answer in polar form.z = 10(cos 30° + i sin 30°)w = 5(cos 10° + i sin 10°)Find zw.
A. 15(cos 300° + i sin 300°)
B. 50(cos 40° + i sin 40°)
C. 50(cos 300° + i sin 300°)
D. 15(cos 40° + i sin 40°)
Answer: B
Mathematics
You might also like to view...
Evaluate the logarithm.log832
A.
B.
C.
D. 
Mathematics
Verify the identity.
= 
What will be an ideal response?
Mathematics
Solve the system by the substitution method.16x2 + 4y2 = 642y - 4x = 8
A. (0, 2), (0, -4) B. (0, -2), (4, 0) C. (0, -4), (2, 0) D. (0, 4), (-2,0)
Mathematics
Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.tan ? = 2, cos ? < 0Find sin 
.
A. -
B. 
C. 
D. -
Mathematics