sukhd503
sukhd503
02-07-2017
Mathematics
contestada
Cos 130 cos 40 + sin 130 sin 40
Respuesta :
Аноним
Аноним
02-07-2017
cos(a)cos(b) + sin(a)sin(b) = cos(a-b)
cos(130-40) = cos(90) = 0
Answer Link
VER TODAS LAS RESPUESTAS ( 84+ )
Otras preguntas
If half the positive difference between 4.81 and 2.25 is multiplied by 0.32, what is the result?
What was the Southeast Asia Treaty Organization (SEATO)?
How many chlorine atoms would be in 6.02 X 10^23 units of gold III chloride
F(x) = 12 over 4x+ 2 Find f(-1)
rachel received a $70 gift card for a coffee store. she used it in buying some coffee that cost $7.44 per pound. after buying the coffee, she had $25.36 left on
What is the main question I am trying to answer in the NHD project?
How do I solve this (see attachment)
how does declaration reflect modern American value?
Aiko types at a rate of 70 words per minute. After typing at the same rate for 3 minutes, he had typed a total of 210 words. This situation can be represented w
Help with steps pls!!!