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 ( 69+ )
Otras preguntas
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
You get dressed at 8 o’clock O Se busted a las Ocho O Vestirte a las ocho O Te vistes a las ocho O Vestirse a las ocho
How does the information in the secondary source above give you a fuller picture of bacon’s rebellion than the primary source you read first?
If a country's debt-to-GDP ratio is 84%, the country is producing more th is borrowing. O A. True or False?
Use the quadratic formula to solve 2;? - 5a + 6 Leave your answer in radical form. Show all your work!
What are the types of cancer?
Whenever a partner mix in a partnership changes, the old partnership ceases to exist and a new partnership begins. True False
bhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh helppppppppppppppppppppppppppppppp
the surveyor probe left on the moon in 1966 has a mass of 270 kg. whats the force of the moons gravity on the probe?
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
