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

Evaluate (2sinx)(3sinx) (6cosx)(cosx)
1. 1 answer
2. asked by sunday
3. 632 views
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. 0 answers
2. asked by elle
3. 748 views
I am having trouble with a pre-cal problem. If you could explain how to do it that would be great!((3^3)^(cosx+2/3sinx))^2cosx+3
1. 1 answer
2. asked by Anonymous
3. 581 views
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. 0 answers
2. asked by `
3. 679 views
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. 4 answers
2. asked by sqleung
3. 800 views
sin2x+cosx=0 , [-180,180)= 2sinxcosx+cosx=0 = cosx(2sinx+1)=0 cosx=0 x1=cos^-1(0) x1=90 x2=360-90 x2=270 270 doesn't fit in
1. 1 answer
2. asked by Anonymous
3. 946 views
Solve the equation on the interval [0,2pi).2sin^2x-3sinx+1=0 (2sinx+1)(sinx+1) I don't think I did the factoring correctly. When
1. 2 answers
2. asked by Jan
3. 2,610 views
f'(x)=(24)/((2sinx+6cosx)^2)find equation of line y=mx+b
1. 1 answer
2. asked by Hannah
3. 436 views
The equation 2sinx+sqrt(3)cotx=sinx is partially solved below.2sinx+sqrt(3)cotx=sinx sinx(2sinx+sqrt(3)cotx)=sinx(sinx)
1. 7 answers
2. asked by girly girl
3. 5,646 views
solve algebreically the equationcos2x=1-sinx also cosx=cosx-1 and please also sin2x=3sinx
1. 1 answer
2. asked by adil ahmed
3. 665 views