Latest activity
-
The Highlander replied to the thread Interesting little problem?.I've since discovered there are dozens of solutions already posted online, lol. Wasn't as original as I first thought. 🤷♂️ (eg... -
... or ... multiply all the equations together to get a^2b^2c^2=6000000 Square root and then divide by each equation.
-
From the third equation c = \dfrac{300}{a} Plug into the second equation and simplify to get \dfrac{b}{a}=\dfrac{2}{3} so...
-
Mmrtwhs replied to the thread Interesting little problem?.... or ... multiply all the equations together to get a^2b^2c^2=6000000 Square root and then divide by each equation.
-
Mmrtwhs replied to the thread Interesting little problem?.From the third equation c = \dfrac{300}{a} Plug into the second equation and simplify to get \dfrac{b}{a}=\dfrac{2}{3} so...
-
The Highlander replied to the thread Interesting little problem?.You need to show the solution (ie: the working) not just the answer (which is readily available through any Maths calculator App).
-
Mmrtwhs replied to the thread Interesting little problem?.\dfrac{55 \sqrt{6}}{3} or \dfrac{-55 \sqrt{6}}{3}
-
I thought this might be an interesting exercise for some to practise their algebra... ab = 100 bc = 200 ca = 300 Find the (exact)...
-
KKrishang replied to the thread Difficult trigonometric problem.This is the exact question. You're right, I think. The question is wrong. Even summation wouldn't work over here (I verified using the...
-
blamocur replied to the thread Difficult trigonometric problem.I am having strong doubts about the conditions of this exercise. My quick and dirty script shows that the product can't be equal to 1... -
KKrishang replied to the thread Difficult trigonometric problem.It is notation expressing that X,Y,Z are the angles of the triangle. And the components of the product are taking all 3 angles...
-
blamocur replied to the thread Difficult trigonometric problem.What are X,Y,Z? What are the components of the product?
-
KIf A, B and C are the angles of triangle ABC, and \prod \tan \left(\frac{X+Y-Z}{4} \right) = 1, then find the value of \frac{\sin(A) +...
-
KYes. It's the derivative of the outer function times the derivative of the inner function. And that can be repeated for any number of...
-
Dr.Peterson replied to the thread Implicit Differentiation.Yes. It's the derivative of the outer function times the derivative of the inner function. And that can be repeated for any number of...
