JessicaMabs8868 JessicaMabs8868
  • 10-12-2017
  • Mathematics
contestada

Simplify the expression by using a double-angle formula or a half-angle formula. (a) cos2 θ 2 − sin2 θ 2

Respuesta :

Link28
Link28 Link28
  • 10-12-2017
If this is supposed to be
[tex]cos^{2}θ-sin^{2}θ[/tex]
Then this can simply be reduced to
[tex]cos2θ[/tex]
by the double angle formula for cosine



Answer Link

Otras preguntas

Use the following image to answer the question. What note completes this D minor chord? . A. Fsharp O B. E natural C. G natural D. C natural​
yo vivo muy cerca de la agencia de viajes, así que siempre ____ los otros.
Simplify 2y+4x=16x +6y ​
Everyone learns many things by watching Television make it negative
Which expression is equivalent to this polynomial expression? (5ry2 + 3x2 – 7) + (3.272 – 142 + 3y2 + 4)
pls help will mark as brainlist ​
who is the more at fault for the conflict: the community or painter lady
can i have help with geometry??????
Apply the distributive property to create an equivalent expression. (3−8y)⋅(−2.5)=
Kolby decided he wanted to go to the amusement park. The amusement park charges $8.00 for entry and $1.40 for each ride. Part A Write an expression to represent