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

The organ that stores glycogen that has been converted from glucose is the
In a rectangle, its length is two more than twice the width. If the perimeter is 28 cm, Find the dimensions of the sides if the perimeter is 28 cm?
______ are the largest group of living reptiles.
Ecris ce qui, ce que ou ce dont dans l'espace. Les étudiants ne comprennent pas parfois _____ les profs veulent. Ecris ce qui, ce que ou ce dont dans l'espace.
Which type of front was located just south of New York City on december 9th
how to find the volume of the round bodies?
After world war ii, ______ was a continued military influence on a number of islands in the pacific.
Which of the following do you expect to have soil with the highest fertility
PLEASE HELP! !! ASAP!!! REWRITING EQUATION: an ice-cream parlor donated boxes of ice-cream bars for a school event. the organizers need to decide how many ice-c
Show that the substitution u = y' leads to a bernoulli equation. solve this equation (see section 2.5). xy'' = y' + (y' )3