safax
safax
01-07-2016
Mathematics
contestada
verify the identity cot(x-pi/2)=-tanx
Respuesta :
NiedzielnyMatematyk
NiedzielnyMatematyk
03-07-2016
[tex]\cot(x-\frac{\pi}{2}) = \dfrac{\cos(x-\frac{\pi}{2})}{\sin(x-\frac{\pi}{2})} =\dfrac{\cos(-(\frac{\pi}{2}-x))}{\sin(-(\frac{\pi}{2}-x))} =\dfrac{\cos(\frac{\pi}{2}-x)}{-\sin(\frac{\pi}{2}-x)} =\\=-\dfrac{\sin x}{\cos x} = -\tan x[/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 34+ )
Otras preguntas
Drag each label to the correct category. Systems are classified as human-made or natural. Match each example to the correct type of system. solar systemtelephon
The power to establish a national bank is classified as?
Traditional advertisements for cookware have always focused on appealing to women consumers. such advertisements make use of consumer differences arising out of
Which line has the following intercepts? x intercept = (3/7, 0) y intercept = (0, -1.2) A) 7x+6y = 3 B) 7x-6y = 3 C) 7x+6y = (-3) D) 7x-6y = (-3)
From a health point of view, how many days a week are suggested to work out for an optimal fitness level?
Explain the connection between time and the eternal God, as stated by Augustine
Which property of addition is shown in the equation below? c + di + 0 + 0i = c + dicommutative propertyinverse propertyidentity propertyassociative propert
Is the square root of 48 irrational or rational
Spring tides occur when a. the moon is in first-quarter phase b. the moon is in last-quarter phase c. the sun and moon are at right angles to the Ea
How to write 0.000028 in scientific notation?
