justaguide
justaguide
Male
November 8, 2010
Teacher
College - Senior
Chemistry, Mathematics, Physics
My interests include the stock market, architecture and modern science.
Biography
I have formally taught math, physics and chemistry.
New Activity for justaguide
Answered a Question in trigonometry math
We have to find the result of sin(pi/3) + sin(2pi/3) + sin(3pi/3) + sin(4pi/3)...
Answered a Question in Math
We need to find the integral of cosec 2x dx. Int[ cosec 2x dx] => Int[ 1/ sin...
Answered a Question in Math
We have f(x) = x^2 - x^4 (f o f o f o f)(1) => (f o f o f)(1^2 - 1^4)...
Answered a Question in Math
We have to find the value of tan (pi/2 - arc tan(1/2)) use the relation tan (pi/2...
Answered a Question in trigonometry math
We have sin a + cos a = 1/3 Use the fact that sin 2a = 2*(sin a)(cos a) sin a +...
Answered a Question in Math
The derivative of the expression y = x - (x + 1)*ln(x +1) is y' = 1 - ln(x + 1) -...
Answered a Question in Calculus
We have the function y = e^ln(x^x) take the log of both the sides ln y = ln...
Answered a Question in Physics
A helium balloon rises upwards due to the force of buoyancy exerted by the air it...
Answered a Question in Physics
When a stone is completely submerged in water, it displaces a volume of water...
Answered a Question in Health Issues
The primary measure to reduce the incidence of Lyme disease in humans is to stay...
Answered a Question in Chemistry
Volatile liquids are liquids which have a very high tendency to convert to the gas...
Answered a Question in Math
The difference between the extreme point and the extreme value of a function is...
Answered a Question in Science
Sorry about the typo, the molecular mass is given as 1/(.005*1.345) = 148.6 g/mole
Answered a Question in Science
When salt is dissolved in water the freezing point of water drops below 0 degree...
Answered a Question in Science
When an impurity is dissolved in water the temperature at which water freezes...
Answered a Question in Science
When a substance is dissolved in a solvent it reduces the freezing point of the...
Answered a Question in Calculus
We have to find the derivative of y = ln[(x+1)^4*(x+7)^2*(x+2)^3] ...
Answered a Question in Math
We have to prove that (cos x)^2 - (sin x)^2*(cos x)^2 = (cos x)^4 Use the...
Answered a Question in Math
Here cot x is in the denominator. But it can be seen that the numerator has (csc...
Answered a Question in Math
There are 16 digits used in numbers represented with a hexadecimal base, they are...
Answered a Question in Science
According to the ideal gas law the pressure P, volume V, amount of substance n and...
Answered a Question in Math
The logarithmic function is defined such that if log(a) b = c, we have b = a^c....
Answered a Question in Math
The graph of the function of the form y = a*x^2 becomes more steep as the value of...
Answered a Question in Math
Let the number we need to find be x and y. The sum of the numbers is x + y =...
Answered a Question in Math
We have z = x - iy and w = y - ix We need the values of z that satisfy z^2 = w...
Badges
Fan of these educators:
eNotes Employee, Expert, Instructor, Scribe, Whitman, Poe, Dickens, The Bard, Churchill, Einstein
230,024 points
143 Friends
See All »
eNotes Employee, Expert, Instructor, Scribe, Whitman, Poe, Dickens, The Bard, Churchill, Einstein
230,024 points
Following 74 Topics
See All »2 others following
13 others following
7 others following
3 others following
25 others following
2 others following
11 others following
3 others following
133 others following
3 others following
