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 ( 36+ )
Otras preguntas
Which Supreme Court case legalized the use of contraception between a married couple?
Scott, a young professional, buys a new bmw, even though a ford would have cost him less. scott values the bmw brand. this is an example of _____
solve each multiplication problem ,use the cancellation method if possible ,reduce your answers.
Cameron used 1 3|4 ounces of hydrochloric acid in one experiment. She used 2 3|8 ounces of the acid in a second experiment. How much more acid did Cameron use
Find the sum of the arithmetic sequence. -1, 2, 5, 8, 11, 14, 17 56 63 -7 20 plz help
Which of these equations is balanced? a. 3 H2SO4 + 2Al → Al2(SO4)3 + 3H2 b. 2KCl + Pb(NO3)2 → KNO3 + PbCl2 a b a and b neither
How did the scientific method influence European societies beginning in the 16th century?
The _____ is the area in which sediment is deposited along the shore.A. headlandB. caveC. cove D. beach
The surface area of a square pyramid is 189 in.². The side length of the base is 7 inches. What is the value of X?
simplify (2/9)^3 A. 8/729 B. 6/9 C. 2/729 D. 8/9 No guessing please
