Given that z1 = 4 (cos 45° + i sin 45°) and z2 = 2 (cos 30° + i sin 30°). Whats 1. z1 * z2 2. z1/z2 Please post steps! Thanks...
Given that z1 = 4 (cos 45° + i sin 45°) and z2 = 2 (cos 30° + i sin 30°). Whats 1. z1 * z2 2. z1/z2 Please post steps! Thanks...
x=5/Cos40
Assume cos t = .45 and cos w = .89, both t and w are positive values between 0 and 2pi , and both t and w determine a terminal point in quadrant 4. Which of the following statements best describes...
A Ferris wheel has a center 55 feet above the ground, and a radius of 48 feet. If it takes 50 seconds for one revolution, give the equation that represents the wheel and sketch a graph.
If the amplitude, is sqrt(21) and the period is (10/3)pi, what is the sine function equation f(x)= ?
y = 1 − 2 cos x
My teacher wrote that if theta one is any acute value such that sin of theta = k, then another value of theta which satisfies this is theta 2 = pi-theta one. And for cosine it...
sqr(3)(sin(x))+(cos(x))=2 How do i get an answer of x = π/3 +2kπ, k=0,±1,±2,±3...(i.e.,...,-5π/3,π/3,7π/3,...) The π is pi
lim cosθ-(1/√2)/(θ-π/4) θ→π/4 I rewrote θ as h so I have lim which is cosh-(1/√2)/h-(π/4) ...
A ferris wheel is 6 meters in diameter and boarded in the six o'clock position from a platform that is 6 meters above the ground. The wheel completes one full revolution every 6 minutes. At the initial...
sinP= cosP= tanP= cscP= secP= cotP=
1. Find the slope of the function y=2cosxsin2x at x=π/2 2. Find the equation of the line that is tangent to y=x2sin(2x) at x=-π 3. Determine the second derivative for...
the period of the function y=3cos(4x-π) is 1.) 2π 2.) -π 3.) not a periodic function 4.) 4π 5.) π 6.) π/2...
A straight road leads from an ocean beach into the nearby hills. The road has a constant upward grade of 7°. After taking this road from the beach for a mile and a quarter, how high above sea level...
A differential equation is an equation involving a function and one or more of its derivatives. Determine whether the function y=πsinθ+2πcosθ is a solution to the differential equation d^2y/dθ^2...
Find all values of t in the interval [0,2π] that satisfy 2 cos t +1=0 1.) t=π/4, 3π/4, 5π/4 2.) t= π/3, 5π/6, 7π/6 3.) none of these 4.) t= 2π/3, 4π/3 5...
to sketch one period of the graph of y=3cos(2xπ/2), we need to compute the function at the following numbers of x:
find the values of t in the interveral [0,2π] that satisify 2cos t +1=0
This is for my trig class, thanks for the help! If you could, could you please show all your work? Thanks again!
This is for my trig class. Thanks for the help!