Evaluate (2sinx)(3sinx) (6cosx)(cosx)

1 answer

2*3*6 sinx*sinx cosx*cosx
36 sin^2(x) cos^2(x)
or
9(2 sinx cosx)^2
9 sin^2(2x)
9/2 (1-cos(4x))
Similar Questions
  1. hey, i would really appreciate some help solving for x when:sin2x=cosx Use the identity sin 2A = 2sinAcosA so: sin 2x = cos x
    1. answers icon 0 answers
    1. answers icon 1 answer
  2. Solve for x in the interval 0<=x<360:1. 2sin2x+cosx =0 2. cos2x=-2sinx 3. tanx=2sinx 4. 3cos2x+cosx+2=0
    1. answers icon 0 answers
  3. Given that f(x) = 2sinx - cosx- Write f(x) in the form Asin(x+a) - Find the maximum value of 2sinx - cosx - Find the lowest
    1. answers icon 4 answers
more similar questions