Questions LLC
Login
or
Sign Up
Ask a New Question
Math
Calculus
lim as x approaches pi/4 of (1-cotx)/(cosx-sinx)
1 answer
(1-cotx)/(cosx-sinx)
= ((sin-cos)/sin) / (cos-sin)
= -1/sin
--> -√2
You can
ask a new question
or
answer this question
.
Related Questions
how do i simplify (secx - cosx) / sinx?
i tried splitting the numerator up so that i had (secx / sinx) - (cosx / sinx) and then i
The equation 2sinx+sqrt(3)cotx=sinx is partially solved below.
2sinx+sqrt(3)cotx=sinx sinx(2sinx+sqrt(3)cotx)=sinx(sinx)
If g(x) is continuous for all real numbers and g(3) = -1, g(4) = 2, which of the following are necessarily true?
I. g(x) = 1 at
Verify the identity .
(cscX-cotX)^2=1-cosX/1+cosX _______ sorry i cant help you (cscX-cotX)=1/sinX - cosX/sinX = (1-cosX)/sinX If
My previous question:
Verify that (secx/sinx)*(cotx/cscx)=cscx is an identity. (secx/sinx)*(cotx/cscx) = (secx/cscx)(cotx/sinx) =
I have a question relating to limits that I solved
lim(x-->0) (1-cosx)/2x^2 I multiplied the numerator and denominator by
express this in sinx
(1/ cscx + cotx )+ (1/cscx- cotx) i got 2sinx is that right?? and B) express in cosx problem: is 1 +
Simplify #3:
[cosx-sin(90-x)sinx]/[cosx-cos(180-x)tanx] = [cosx-(sin90cosx-cos90sinx)sinx]/[cosx-(cos180cosx+sinx180sinx)tanx] =
1)lim [(x+y)sec(x+y)-xsecx]/ y
x-o 2)show that lim |x-4|/x-4 does not exists x-4 3)lim [1-sinx/2]/[cosx/2{(cosx/4)- x-22/7
(cotxsec2x - cotx)/ (sinxtanx + cosx) = sinx
prove. i keep getting (if i start from the left side) = cosx instead of sinx please