Some are listed below. Keep in mind that by "tricks" I've taken it to mean "non-standard grammar" and so while I can write what I like (I have no teachers grading me), English teachers may take …

The gradient of a scalar function, shows the direction in which the function increases at any point # {x,y}#. In the two dimensional case #vec r = {x,y}# so #1/abs (vec r) = 1/sqrt (x^2+y^2)# and …

Breathing from your belly is completely normal. In fact, all mammals do this. Diaphragmatic breathing, also known as belly breathing and known scientifically as eupnea, is breathing that …

In the case where #f (a)=f (b)# so that #f (c)=f (a)=f (b)#, then Rolle's Theorem (or the Mean Value Theorem ) can be applied in a simple way to reach the conclusion. Otherwise, you need the …

Apr 2, 2018 · Time travel as we know it does not exist and will never exist. Time travel will never be possible due to the fact that events in history would have to be repeated and that is not …

Apr 15, 2016 · "1.4 L" The idea here is that you need to use the molarity and volume of the target solution to determine how many moles of solute it contains. Since you're dealing with a …

Area_(Delta ABC)=4*16=64 cm^2 . Triangles ABC and ADE are similar by virtue of the fact that ED is parallel to CB. Since segments AD and DB are shown to be congruent, i.e of equal …

In fact, this particular function is not invertible overall, since it fails the horizontal line test. However, near #x=3# it is invertible (the function has negative slope for #x>1/2#).

Jan 17, 2018 · Can someone please show me how to solve that? I am still learning how to get the hang of this. Thanks! Trigonometry

This is false if xy <= 0 Let x = -3 and y = 3 and check the inequality. Or use any other combination of one positive and one non-positive number. The left hand side will be negative or undefined …