Sizzlinghat4400 Sizzlinghat4400
  • 17-09-2019
  • Mathematics
contestada

12. Rewrite with only sin x and cos x.
cos 2x - sin x

Respuesta :

Аноним Аноним
  • 17-09-2019

Use the double angle formula

[tex]\cos(2x)=\cos^2(x)-\sin^2(x)[/tex]

To write

[tex]\cos(2x)-\sin(x) = \cos^2(x)-\sin^2(x)-\sin(x)[/tex]

Answer Link

Otras preguntas

Please help!!!!!!!!!!!
Peter is saving to buy a new skateboard. He deposits the same amount each week into his savings account. How much money does he save each week? Week Money in Sa
how can you find the value of [3 × (8 – 2)] + 5?
The background information on the impact of pscudescientific ideas of race on the Jewish nation by the nazi Germany during the 1933 to 1946
According to the rule of nines, what is the burn percentage of a patient with burns to the front of the torso and the front side of both arms?.
Can someone help me with this easy math problem.
factoriesNeed fast ​
1) Aladder is placed against the wall of a building such that the bottom of the ladder is 3 ft from the bottom of the wall. If the ladder forms a 14 degree angl
Sam filled 4 large bottles and 6 small bottles with 6.8 litres of orange juice . Each large bottle could hold 0.5 litres more than each small bottle. How much o
X/5= 7 X/2= 6.5 Find x