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 ( 83+ )
Otras preguntas
This quote is from st. Augustines discussion of
please help!! i need the answer ASAP!
An airplanes altitude changed -378 feet over 7 minutes. What was the mean change of altitude in feet per minute?
Everyone has done something that he or she will always remember. Think about a time you did something special that you will always remember. Now write a story a
Which statement best describes the actions of President John Adams during his Presidency?
If the mass of a material is 92 grams and the volume of the material is 25 cm3, what would the density of the material be?
Greece could be considered a Western nation because - it has a strict guide for moral behavior - important Western values originated in ancient Greece - Greece
Describe what scientists can learn about the past by studying fossils. Please don't say something random to get the points. It's not fair to others. :[
Plz help !!!!!!!!!!!!
Help!!! Please help with #9