secretprofile598
secretprofile598 secretprofile598
  • 07-06-2021
  • Mathematics
contestada

sin2alpha+cos2alpha-cos6alpha/sin4alpha+2sin²alpha-1

if alpha is -135°​

Respuesta :

Аноним Аноним
  • 07-06-2021

Answer:

[tex] = \frac{\sin(2 \alpha ) + \cos(2 \alpha ) - \cos(6 \alpha ) }{ \sin(4 \alpha ) + 2 { \sin }^{2} \alpha - 1} \\ = \frac{ \sin( - 270) + \cos( - 270) - \cos( - 810) }{ \sin( - 540) + 2 { \sin }^{2}( - 135) - 1 } \\ = \frac{1}{ - 2} \\ = - 0.5[/tex]

Answer Link

Otras preguntas

Acetylene gas, C2H2, releases large quantities of heat when it burns, making it ideal for welding applications. This gas is generated by reacting calcium carbid
Explain what or who “the one” is in daoism
What is the median of 6, 7, 10, 12, 15? 12 10 9.6
A balloon (approximate as a sphere) is inflated such that its radius is 7.00 cm. What is the volume of air inside the balloon in ML? (Volume of a sphere = Truse
4. "Jacquelyn thinks of others first," Molly said. "She always stops by to see how | am doing."WHAT IS HER METHOD OF CHARACTERIZATION
How does a republic solve the problems brought on by a direct democracy?
Find the coordinates of the missing if endpoint if B is the midpoint of AC. Given Endpoint: C(9,2) Midpoint: B(6,4) O A(7.5, 3) O A(3,6) O A(1.5, 1) O A(12, 0)
Supply and demand are the only determine factors in what is produced
What are the risk factors or long term health concerns that result from being obese
Who said the following? “I can assure you… he has not told the truth in a single thing…the seven cities are seven little villages.” a. Columbus c. Marcos de Niz