murawskik
murawskik
06-03-2017
Mathematics
contestada
Sec^4x-tan^4x=sec^2x+tan^2x
Respuesta :
LammettHash
LammettHash
06-03-2017
[tex]\sec^4x-\tan^4x=(\sec^2x-\tan^2)(\sec^2x+\tan^2x)=\sec^2x+\tan^2x[/tex]
since [tex]\tan^2x+1=\sec^2x[/tex].
Answer Link
VER TODAS LAS RESPUESTAS ( 66+ )
Otras preguntas
a 2- pound box of spaghetti costs $2.50. Philip says the unit costs is 2 over 2.50 = 0.80. Explain his error
What is the simplest form of 2 / 9 + 5/9
What are the steps in autosum?
Which term best describes the class system in america today?
p - g - 8, when p = 5 and g = 10
Is there any difference between carbon(iv)oxide and carbon(ii)oxide
how many ounces are in 18 pound
The 19th Amendment was an important step for equal rights because it gave _
what are two methods of passive transport
Energy producing technologies can positively impact soil fertility
