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 :

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

WILL GIVE BRAINLIEST PLEASE HELP ME!

Please help its due today

What are the effects of physical inactivity?

What is the area of the triangle?

write a paragraph on madem cj. walker

whats this grade a 5/9

what is a ratio and what does fractions have to do with it?

Line /has a slope. I need help with answering this

if Maya drove 30 laps in six minutes how many laps did she drive in one minute

Please answer with all steps!Will give brainleist