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 ( 25+ )
Otras preguntas
Blake bought a total of 24 doughnuts. Each doughnut cost $0.84, including tax. Of the doughnuts he bought, 5/8 were glazed doughnuts. What was the total cost of
PLEASE HELP 50 POINTS! ILL GIVE BRAINLIEST 1. Read the poem. Spring and All by William Carlos Williams By the road to the contagious hospital under the surge o
Please help me with this :) thank you
Drag the tiles to the correct boxes to complete the pairs. Match the subtraction expressions to their correct answers.
Explain why powdered magnesium reacts faster with 30cm3 of 2M Hydrochloric acid than equal mass of Magnesium ribbon with 30cm3 of 2M hydrochlorric acid
Ms Excel is an example of______
Going to need help with a bit more of these.. thanks brainly :)
2 weaknesses that you think you have in communication that you can improve in the future
How did Boundaries of the United States west to the Mississippi river and South Florida cause the American revolution?
If you change the 2 in front of 2O2 to a 3, what will be the change in the results on the right side of the equation? (1 point)
