Question

Simplify the expression

cot x/(sin^2 x+ cosx + cos^2 x-1)

Answer 1

@Luis-Rivera

Answer 2

@Notamathgenius

Answer 3

@jim_thompson5910

Answer 4

@zepdrix

Answer 5

@hero, @Radar

Answer 6

substitute cos^2 x-1 with -sin^2 x in denominator

Answer 7

can you do it now?

Answer 8

no
:(

Answer 9

sin^2 x+ cosx + cos^2 x-1=sin^2 x+cos x -sin^2 x
=cos x

Answer 10

so denominator is simply cos x

Answer 11

now cos x/cos x =1 done !

Answer 12

Did that help ?

Answer 13

a little

Answer 14

why only little?
whats your doubt?

Answer 15

i not good with this subject in pre-alc at all

Answer 16

ok whats ur doubt in my working above?