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 ( 43+ )
Otras preguntas
Real estate appraisers are experts at A. determining the insurance needs of property owners.B. appraising the cost of future home maintenance.C. pinpointin
“Troops Break Up Bonus Army Protest” “FDR Proclaims Bank Holiday” “Misery Created by Dust Bowl” These headlines concern events that occurred during the (1) Civi
Opponents of the New Deal criticized President Franklin D. Roosevelt for (1) expanding the role and size of the federal government (2) permitting banks to opera
A line has a slope of and a y-intercept of −5. Which equations represent the line? Choose all answers that are correct. A.-2+3y=-15 B.y=2/3x-5 C.6y=4x-30
14a +28c=7 solve for c
14a +28c=7 solve for c
The SECOND nation to test an atomic bomb was __________.Select one of the options below as your answer: a. Great Britain b. China c. France d. the Soviet Un
What is the area of the figure?
factor the common factor out of each expression.
what is the difference between a prime minister and a president
