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

write topic : why do you choose to be a teacher ?

Find the range of the data set. Round to the nearest tenth.

Drag each tile to the correct box. Arrange in the correct order the actions and reactions that occur when the Federal Reserve uses the required reserve ratio in

What is the equation for a circle centered at the origin (0,0)? a) r sqt = x sqt + y sqt b) r sqt =(/x+y) sqt c) r= /x+y d) r=x+y

I need help ASAP!!Please be sure that you know the answer

what are the names ochako's parents names

which details in this diary entry support the main idea that the writer is enjoying his time at his new school

What are the coordinates of point S"?

What were factors that pushed immigrants to the US

complete the table below?