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 ( 29+ )
Otras preguntas
The nucleus A.) produces energy B.) stores waste. C.) houses DNA. D.) is found in prokaryotes.
plz answer only if correct :)) (this is trig.ratios) in
Why did no one originally want to fund Columbus' Journey
PLEASE HELP!!! WILL MARK BRAINLIEST!!! Name each transformation correctly as a Translation, Dilation, or Reflection. WILL MARK BRAINLIEST IF CORRECT!!!!!!
Describe how sound at a concert is different from the front row and the back.
Compare and contrast how a central idea in Steve Jobs’s Stanford commencement address and J.K. Rowling’s Harvard commencement address is introduced and elaborat
There are 202 students in all the chemistry classes combined. 11% have an A average 29% have a B average and 39% have a C average everyone else has an F. How ma
need help on b already done a
tsAn electric light bulb mixer is used for 19.2 seconds. In that time, it transfers 1536 J of energy.Calculate the power output of the cake mixer.AI DONT KNOW
Is someone a hero if they break the law? Explain why please and thank you