Provide an appropriate response.Let z1 = r1(cos ?1 + i sin ?1) and z2 = r2(cos ?2 + i sin ?2), r2 ? 0. Verify that z1/z2 = r1/r2[cos (?1 - ?2 ) + i sin (?1 - ?2)] .
What will be an ideal response?
z1/z2 = 
= 
? 
=
=
= 
=
[ cos( ?1 - ?2 )+ i sin (?1 - ?2) ]
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Find the fraction equal to the given decimal.0.197197 . . .
A. 
B. 
C. 
D. 
Find the average value of the function over the given interval.f(x) = 6 - 
on [-6, 6]
A. 3
B. 6
C. 
D. 36
Solve.Subtract 5 from 63.
A. 68 B. 59 C. 58 D. 57
Solve the problem.A baseball player hit a baseball with an initial speed of 190 feet per second at an angle of 40° to the horizontal. The ball was hit at a height of 3 feet off the ground. Find parametric equations that describe the motion of the ball as a function of time. If necessary, round coefficients to the nearest hundredth.. How long is the ball in the air? When is the ball at its maximum height? What is the distance the ball traveled? If necessary, round values to the nearest thousandth.
A. x = 145.54t, y = -16t2 + 122.17t + 3 7.66 sec, 3.818 sec, 1114.836 feet B. x = 145.54t, y = -16t2 + 122.17t + 3 7.66 sec, 3.818 sec, 1874.632 feet C. x = 145.54t, y = -16t2 + 122.17t + 3 15.32 sec, 3.818 sec, 2229.673 feet D. x = 145.54t, y = -16t2 + 122.17t + 3 7.611 sec, 3.818 sec, 1107.705 feet