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

What are the advantages and disadvantages of globalization

Hey guys, I need 5 sentences!¿Prefieres viajar en coche, en tren, en barco o en avión? ¿Por qué?

how do you balance __H2SO4 + __B(OH)3 --> __B2(SO4)3 + __H2O

What are the advantages and disadvantages of globalization

how do you balance __H2SO4 + __B(OH)3 --> __B2(SO4)3 + __H2O

how do you balance __H2SO4 + __B(OH)3 --> __B2(SO4)3 + __H2O

What are the advantages and disadvantages of globalization

how do you balance __H2SO4 + __B(OH)3 --> __B2(SO4)3 + __H2O

how do you balance __H2SO4 + __B(OH)3 --> __B2(SO4)3 + __H2O

Hey guys, I need 5 sentences!¿Prefieres viajar en coche, en tren, en barco o en avión? ¿Por qué?