samantha33
samantha33
10-08-2016
Mathematics
contestada
cos (a-b) - cos (a+b) = 2 sin a sin b
Respuesta :
Panoyin
Panoyin
10-08-2016
cos(a - b) - cos(a + b) = 2sin(a)sin(b)
[cos(a)cos(b) + sin(a)sin(b)] - [cos(a)cos(b) - sin(a)sin(b)] = 2sin(a)sin(b)
[cos(a)cos(b) - cos(a)cos(b)] + [sin(a)sin(b) + sin(a)sin(b)] = 2sin(a)sin(b)
2sin(a)sin(b) = 2sin(a)sin(b)
Answer Link
VER TODAS LAS RESPUESTAS ( 35+ )
Otras preguntas
What is the answer to (−t/3)^2?
how do I write a 5 sentence paragraph using chronological order about getting ready for work?
The Reformation spread rapidly throughout Europe in large part because of A. the invention of the printing press and improvements in literacy. B. a vast r
PLEASE HELP WILL MARK AS BRAINIEST!!!!!!!!!Eli finds a rock with layers and smaller pieces of other rocks embedded in it. The rock is most likelyA. igneous.B. s
does it take more energy to boil a gram of mercury or a gram of water?
Why did british and amwrican forces bomb germany day after day
The graph shows the total amounts in two accounts with the same principal and annual interest rate. After 45 years, how much did the account with compound inte
Natural satellite meaning
What is the volume of this pyramid? 720 cm³ 1080 cm³ 1440 cm³ 2160 cm³ A pyramid with a right triangular base. The right triangular base has a base length of ni
the common EU currency is the A. FrancB. euroC. liraD. Pound
