sara3695 sara3695
  • 04-05-2020
  • Mathematics
contestada

sin(90-x)=cos(x) use sum or difference formula to solve​

Respuesta :

mirai123
mirai123 mirai123
  • 04-05-2020

Answer:

[tex]sin(90-x)=cos(x)[/tex]

So,

[tex]sin(a-b)=sin(a)cos(b)-cos(a)sin(b)[/tex]

[tex]sin(90\º-x)=sin(90\º)cos(x)-cos(90\º)sin(x)[/tex]

Once, [tex]sin90\º=1[/tex] and [tex]cos(90\º)=0[/tex]

[tex]sin(90\º-x)=1cos(x)-0sin(x)[/tex]

[tex]sin(90\º-x)=cos(x)[/tex]

Answer Link

Otras preguntas

Which of the following sequences are geometric? Check all that apply. A. 3, 1, 1/3, 1/9, 1/27 B. 2, 8, 18, 46, 120 C. 10, 20, 30, 40, 50 D. 1,6, 36, 216, 1,296
Which of the following were offered land grants in the development of the West?
the number of solid liquid and gas found in period 3
"How were slaves treated during the middle passage? "
last year, jarod left a job that pays $80,000 to run his own bike repair shop. jarod’s shop charges $65 for a repair, and last year the shop performed 4,000 rep
Which statement best explains why the elements in Group 18 do not have electronegativity values?
Please help as soon as you can! Thank you:)
How many Sodium (Na) are in 6NACI?
PLEASE HELP (delta math) Triangle TUV is formed by connecting the midpoints of the side of triangle QRS. The lengths of the sides of triangle TUV are shown. Wh
I don’t understand how to do the problem at all