Using the mean value theorem, find a value of c that makes the statement true for f(x)=cosx on the interval [-pi/2, pi/2]. I found that -sinx=0, but I'm not so sure what to do next.

Question

dumbcow · Answer

at what angles does sin equal 0 ?

anonymous · Answer

I'm not really sure what you mean. We haven't used angels all year, so i'm not sure we would now.

dumbcow · Answer

?? this is simple trig, i assume you are in calculus

dumbcow · Answer

look at a unit circle or plug into calculator sin^-1 (0)

dan815 · Answer

|dw:1385961023517:dw|

dan815 · Answer

stare into its soul

dan815 · Answer

until it reveals its mysteries to you

anonymous · Answer

I understood that you were asking for the values from the unit circle, I'm just not sure why.

0 degrees and 180 degrees..