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 ( 29+ )
Otras preguntas
5. Fill in each blank with the appropriate definite article. (Le, la, l'or les ) 5. Voilà classe d'histoire et (6) bureau du professeur. 7. étudiants sont dans
Rashawn and Jessie are playing a game where they lose the same number of points that they would have earned for each incorrect answer. Rashawn answers two 3-poi
Write a function copy that takes two arrays A and B, both of size N. The function then copies all N values from A into B and then displays it.
Which type of medical insurance typically offers the least amount of flexibility in selecting a primary care physician? A. HMO B. PPO C. POS D. HSA
the purpose of a research project
Solve the system by substitution: Quincy wants to go to the movies with his friends he has 20 dollars, 5 for the movie ticket and the rest for snacks. he wants
what is a protein that detects a signal and acts accordingly. O hormone. O receptor. O membrane. O carbohydrate.
Choose the degree 1 or power of 1 pattern. O Clouds O Cells O Flowers O Doughnuts O Can anyone help?
In what way might lobbying by interest groups be considered a form of free speech? Why does the amount of money used by special-interest groups pose a danger? W
Mikayla and Weatha went to the candy store and each spend the same amount of money to make party favor bags. Mikayla bought a package of bags for $6.25 and 75 s
