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 ( 57+ )
Otras preguntas
2.34 times 5.6 can anyone help me with thisath problem
f(k)=k^2-3. Find f^-1(k) Please help, need for tomorrow.
The passage of the Medicare Act of 1965 and the Americans with Disabilities Act of 1990 shows that
How do I solve this?
When social psychologists define a social group as a collection of interdependent people, they mean that?
Keegan and Iris are learning about examining the animal's hair coat. Keegan says the hair coat should be examined for brittleness and alopecia. Iris say the hai
Why were women and children forced to work in the late 1800s?
The overgrowth of algae poses a major problem for coral reefs. fish eat algae. why would intensive fishing contribute to the overgrowth of algae
500 POINTS The p53 gene performs what function plz help will mark branliest
Jenna is a scientist in a chemistry lab. Her experiment did not support her current theory. What should she do next?
