archerests archerests
  • 01-06-2021
  • Mathematics
contestada

Use angle addition formula to find the expression for cos(a+b). Use the same formula to
find cos(a+a).

Respuesta :

msm555
msm555 msm555
  • 01-06-2021

Answer:

we have

Cos (a+b)=Cos aCosb-SinaSinb

for

Cos (a+a)=Cos aCosa-SinaSina=Cos²a-Sin²a

is a required answer.

Answer Link
urmm0000 urmm0000
  • 01-06-2021
What they said!!!!!!!!!!!!
Answer Link

Otras preguntas

what direction would you travel to go from seoul to shanghai?
A car travels in 65 miles per hour.Going through construction,it travels at 3/5 this speed.Write this fraction as a decimal and find the speed
56+64 in distributive property
Y=5X-6 how would you solve for x?
What are the tiny particles that makes up all matter around us?
4 tens + 6 tens in unit form
A talent or quality that you were born with is
If a set of six numbers that include both Rational and irrational numbers is graphed On a number line, what is the fewest number of distinct points that need to
Write 6,392,094,003 in word form
A burning candle has some features of living things. What are they?