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 ( 96+ )
Otras preguntas
What did Roosevelt, Churchill, and Stalin agree to at the Yalta Conference? a. They approved a plan for the Soviet Union to occupy Germany, Italy, and Japan af
What inventions and developments helped the Midwest to become a hub of transportation and trade? Explain.
How can poor posture result in back pain?
Jellyfish don't have a true hydroskeleton, but they do use water for support and to help them move. A.) True B.) False
32 is 40 percent of what number
Martina earns $4,000 4 per month each month she pays 680 in federal income tax and 79 in other taxes. what is Martinas pay after taxes each month
When the media tries to stir up public opinion by reporting the news in a sensationalist manner, the practice is known as A. select journalism. B. traditional
_______ aid in the immune system to fight infections. A. Red blood cells B. Platelets C. Arteries D. White blood cells
What is the leading cause of type 2 diabetes? a. genetics b. drug abuse c. alcohol abuse d. obesity
(It science question) Sonar is a technology that works by sending out sound waves.The sound waves bounce off of hard surface, then return back to a receiver.Usi
