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 ( 42+ )
Otras preguntas
Which rivers were routes for the underground railroad
Which of the choices below describe the U.S. Federal Reserve? (check all that apply) a) Orders money from the U.S. Bureau of Engraving and Printing every month.
which type of readoning is used in the following sentence ? according to several of my friends, this is a really good book. A. EthosB. logosC. BiasD. pathos
Anna baked 3 batches of cookies with d cookies in each batch. She then ate 8 cookies. There are 50 cookies in a batch.
I have no idk how to do this someone please help
Which of the following is the equation of a line in slope-intercept form for a line with slope =4 and y-intercept at (0,2)? A.y=4x-2 B.y=2x+4 C.y=4x+2 D. X=-2x-
Ross calculated the missing side length of one of these triangles using the Pythagorean Theorem. Which triangle was it? Four triangles E, F, G, H are shown fro
what is a true statement about Spanish exploration in the americas
When bertie says he feels like a badly wrapped paper bercel he means that feels?
What events in fahrenheit 451 led montag to become who he is?
