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 ( 32+ )
Otras preguntas
Find the probability distribution for the following function: P(x)=x/2+1 for x=4,6, and 8
8. Subtract the polynomials: (3x2 + 5x – 8) – (2x2 - 4x + 3) please give steps!!
any four advantage of development plan at local level
Which item belongs to one of the five food groups in the USDA’s Food Guidance System?
Helpp! You are the only one who has full power to make your goal happen. Please select the best answer from the choices provided T F
Which ordered pair is a solution to the following linear system? y = x y = –x Question 3 options: (0, 0) (0, 1) (1, 1) (1, 0)
What was the significance of German invasior of Russian territory during world war 2
whats the authors main purpose of the text
Are these conjugated correctly? (passe compose)Joe-Bob ne va jamais souvent chez le dentiste (ne.jamais)Marie n'aime pas du tout beaucoup le rap.Le policier ne
when entering traffic you should activate your turn signal after A. Depressing the accelerator pedal B. Releasing the parking brake C. Selecting the proper gear
Q&A Platform for Education
Platform Explore for Education
