susanwalsh
susanwalsh
03-03-2017
Mathematics
contestada
tan x-1/tan x+1=1-cot x/1+cotx
Respuesta :
LammettHash
LammettHash
03-03-2017
[tex]\dfrac{\tan x-1}{\tan x+1}=\dfrac{\frac{\sin x}{\cos x}-1}{\frac{\sin x}{\cos x}+1}=\dfrac{\sin x-\cos x}{\sin x+\cos x}=\dfrac{1-\frac{\cos x}{\sin x}}{1+\frac{\cos x}{\sin x}}=\dfrac{1-\cot x}{1+\cot x}[/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 39+ )
Otras preguntas
Express your answer as a decimal (to the nearest hundredth. what part of an hour is 20 minutes?
Read the quotation from Al Omari, an Egyptian historian. This man [Mansa Musa] spread upon Cairo the flood of his generosity: there was no person, officer of th
Loess, dike, extended family, Mandate of Heaven, Confucius, philosophy, civil service, Confucianism, merit system, currency, shi huangdi, liu bang, wudi, warlor
How are the artic and antartic circle alike?
If I spend 33 dollars buying candy each candy cost 3 dollars how many candy should I buy?
if 2 cds cost $15 what would 15 cds cost?
If an inspector found a problem with an immigrant’s paperwork, what would most likely happen to that immigrant?
which of the following is most likely the graph of y= -2x + 3?
How can the events of the Holocaust be used to avoid genocide in the modern world?
what is the radius if the diameter is 142.8
