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 ( 16+ )
Otras preguntas
Calculate the molar concentration of the acid if 50.6 ml of hydrochloric acid was required to neutralize 45.0 ml of 0.345 m aluminium hydroxide. be sure to use
Acc 450 specific misstatement in one of a client's 2,000 accounts receivable is referred to as a(n)?
The Witch mounts an attack on Dorothy and her friends in The Wonderful Wizard of Oz. What weapons does she use in her attack?
Is the strategic plan impacted by cultural differences and/or typical household composition in india? discuss
Who gains from inflation? a. those with the most skill. b. no one benefits from inflation. c. borrowers lenders
Evaluating a product idea to determine its likelihood of success is technological forecasting. product evolution. product windowing. product screening. estimati
Can someone pls help me get the anwser for this question
Find the length of the arc on a circle with a radius of 2.4 kilometers and is intercepted by a central angle measuring 150°. leave your answer in terms of π.
Please help me by saying the answer of english
If the population standard deviation σ=25. What is the required minimum sample size to construct a 95 confidence level for the population mean with an allowable
