Register
Login
Information
This feature requires your approval of cookies
You can approve cookies in the notification bar at the top of this window
Information
This feature requires your approval of cookies
Home
Forum
^{+0}
Widgets
Formulary
Maths
Help
Complex Numbers
Integral Calculus
Differential Calculus
Equations
Graphs
Linear Algebra
Number theory
Percent
Standard Functions
Statistics
Trigonometry
Unit Conversion
Units
About
Imprint
Privacy Policy
Terms of Service
Credits
Google+
Facebook
Contact Email
Yes I am 16 or older
Cookie Consent
I accept third party cookies used to show me
personalized
ads. I also accept that these cookies are used to share information about my use of this site with advertising providers who may combine it with other information that I have provided to them or that they’ve collected from my use of their services.
I accept strictly necessary cookies that guarantee functions without which I could not use this website as intended.
Configure
I accept all cookies
unlimited
sponsored calculations per hour
Calchelp211
Username
Calchelp211
Score
35
Stats
Questions
5
Answers
1
8 Questions
1 Answers
0
29
1
+35
Divide.
Divide.
6√5 cis(11π/6)÷3√6cis(π/2)
6√5 cis(11π/6)÷3√6cis(π/2)=___cis(___)
read more ..
geno3141
●
Calchelp211
May 15, 2020
0
64
1
+35
What is the exact value of sin (-π/12)
What is the exact value of sin (-π/12)
●
Calchelp211
Apr 9, 2020
0
178
1
+35
What are the solutions of the equation 2sin(4x)=1 on the interval [0,π)?
What are the solutions of the equation 2sin(4x)=1 on the interval [0,π)?
●
Calchelp211
Apr 9, 2020
0
147
1
+35
What is the period of the function shown in the graph?
What is the period of the function shown in the graph?
●
Calchelp211
Mar 6, 2020
0
264
1
+35
What are the key characteristics of the graph of f(x)=cotx? Select all correct statements.
What are the key characteristics of the graph of f(x)=cot x? Select all correct statements.
The range of the function is (−∞, −1]∪[1, ∞) .
The y-intercept is (0,1). The x-intercepts occur every π, with
read more ..
●
Calchelp211
Feb 20, 2020
0
158
1
+35
Please Help!!!
Juan solves the system of equations by forming a matrix equation.
−4x+y=9
3x+2y=7
He multiplies the left side of the coefficient matrix by the inverse matrix.
read more ..
●
Calchelp211
Dec 19, 2019
0
376
1
+35
Please help, I really don't know!
A whispering chamber is an elliptically arched chamber. A unique feature of a whispering chamber is that when a person standing at one focus of the ellipse whispers, he can be heard by a person standing at the other focus, regardless of the dimensions of
read more ..
●
Calchelp211
Dec 19, 2019
0
207
5
+35
Please help I need an answer quick!
Mr. Mudd gives each of his children $2000 to invest as part of a friendly family competition. The competition will last 10 years. The rules of the competition are simple. Each child can split up his or her $2000 into as many separate investments as they
read more ..
●
●
●
●
●
Calchelp211
Dec 12, 2019
#5
+35
0
Would the answer be 2159.43
Calchelp211
Dec 13, 2019