Selorm
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 Questions Asked
 12
 Questions Answered
 17
 Medals Received
 3

 Questions Asked
 12
 Questions Answered
 17
 Medals Received
 3
Questions Asked

Selorm:
Write the complex number z = (1 + \sqrt{3}\, i)^{11} in polar form: z = r( \cos \theta + i \sin \theta) where
r = and \theta =
The angle …
 updated one year ago
 No Medals Yet
Mathematics

Selorm:
It can be shown that the polar curve r=a\sin(\theta)+b\cos(\theta), where ab\ne 0, is a circle. Find the center (in Cartesian coordinates) …
 updated one year ago
 35 replies
 No Medals Yet
Mathematics

Selorm:
Given
\cos(\alpha)=\frac{\sqrt{17}}{9}
for 0<\alpha<\pi/2.
…
 updated one year ago
 6 replies
 No Medals Yet
Mathematics

Selorm:
Here is a little more review concerning trig functions. Using the formula for sin() and cos() of the sum of two angles.
2\cos(3 x  1 ) =…
 updated one year ago
 No Medals Yet
Mathematics

Selorm:
Use the sumtoproduct formula to find the exact value:
If \cos 255^\circ  \cos 195^\circ = \frac{\sqrt{A}}{2}
 updated one year ago
 11 replies
 No Medals Yet
Mathematics

Selorm:
Simplify and write the trigonometric expression in terms of sine and cosine:
\frac{1+\cos y}{1+\sec y} =
 updated one year ago
 34 replies
 No Medals Yet
Mathematics

Selorm:
Simplify and write the trigonometric expression in terms of sine and cosine:
\frac{\cos u \sec u}{\tan u} = \frac{f(u)}{g(u)}
…
 updated one year ago
 20 replies
 No Medals Yet
Mathematics

Selorm:
Terminal Point \ \ P (on the unit circle), for real number t = 4, is found in quadrant=
and reference number { t } =
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

Selorm:
Solve the equation in the interval [4 \pi,0]. If there is more than one solution write them separated by commas.
\sin(x) = 0.17
 updated one year ago
 No Medals Yet
Mathematics

Selorm:
Solve the equation in the interval [0,\, 2 \pi]. If there is more than one solution write them separated by commas.
Hint: To solve this p…
 updated one year ago
 6 replies
 1 Medal
Mathematics

Selorm:
Solve the equation in the interval [0,\, 2 \pi]. If there is more than one solution write them separated by commas.
Hint: To solve this p…
 updated one year ago
 No Medals Yet
Mathematics

Selorm:
Find the inverse of the following function and state its domain. f(x)=19 \sin (5 x)
 updated one year ago
 6 replies
 1 Medal
Mathematics