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 ( 77+ )
Otras preguntas
Help pls it’s really easy but not for me :(
from President John F. Kennedy's Inaugural Address, 1961 …In your hands, my fellow citizens, more than in mine, will rest the final success or failure of our co
Help pls it’s really easy but not for me :(
GIVING 50 POINTS!!! Solve the triangle using the law of sines. Show all work and round answers to the nearest tenth.
Acil cevap❗ A,B,C birer rakam olmak üzere AAxBC=2002 olduğuna göre A+B+C en çok kaç olabilir? Biliyorsanız cevaplayın bilmiyorsanız boşuna yazmayın lütfen
Whenever a partner mix in a partnership changes, the old partnership ceases to exist and a new partnership begins. True False
What is the smallest possible length for the third side of the triangle given the two sides 10 and 5?
The ionization energy trend on the periodic table is highest to the (left/right) and upper corner ______________
The base number can also be a fraction. Convert the decimals to fractions in Examples 7 and 8 and evaluate. Leave your answer as a fraction. Remember how to mul
A rectangular shaped tank measures 42 1/2 inches in length, 18 inches in width, and 6 1/8 inches in depth. What is the total surface area of this tank
