Question 1067908
<pre>
y<sub>1</sub> and y<sub>2</sub> are equal.  That's because

{{{sin(x^"")+cos(x^"")cot(x^"") = sin(x^"")+cos(x^"")(cos(x^"")/sin(x^"")) = sin(x^"")+cos^2(x^"")/sin(x^"")=(sin^2(x)+cos^2(x))/sin(x^"")=1^""/sin(x^"")=csc(x^"")}}}

The graph of y = csc(x) from 0 to 2<font face="symbol">p</font> is

{{{drawing(400*2pi/20,400,0,2pi,1,20,red(line(0,11,10,11)),
green(line(pi,0,pi,25),line(2pi,0,2pi,25)),locate(2.85,11,pi),
locate(1.423,11,pi/2), locate(5.7,11,2pi), locate(4.277,11,3pi/2),
graph(400*2pi/20,400,0,2pi,1,20,11+1/sin(x)))}}}

Each marked unit on the y-axis is 1. 

You question:</pre>What is the value for y<sub>1</sub> and y<sub>2</sub>?<pre> doesn't make sense because functions have many values.  In fact
most functions, including this one, have infinitely many values,
a different value of y for every value of x.

Edwin</pre>