1. (-8cosxsinx+4cos2x)^2 +(4cosx^2+8sinxcosx)^2 2. cos(α-β)cosβ-sin(α-β)sinβ

1. (-8cosxsinx+4cos2x)^2 +(4cosx^2+8sinxcosx)^22. cos(α-β)cosβ-sin(α-β)sinβ 3. 1+(sinx-cosx)(sinx+cosx) 4.
1. 2 answers
2. asked by Anna
3. 672 views
Simplify:1. sin(α+β)+sin(α-β) 2. (-8cosxsinx+4cos2x)^2 + (4cos^2x+8sinxcosx)^2 3. sqrt(sin^4xcosx) * sqrt(cos^3x)
1. 2 answers
2. asked by Anna
3. 1,094 views
1. (2cosx-2secx)(3cosx^2+3secx^2+β)2. (16tanxsecx-4secx)/(8tanxsecx+4secx) 3.sinxcosx^3+cosx^4 (hint: GCF) 4. (cosβ+sinβ)^2
1. 3 answers
2. asked by Anna
3. 637 views
Determine the general solution of 8 cos^2x - 4cosx - 1 =0(8cos^2x - 4cosx)/8 =1/8 cos^2x - 4cosx=1/8 cos^2x/cosx =1+4cosx/cosx
1. 1 answer
2. asked by Bontle
3. 722 views
Let f(x)=9sinx/2sinx+4cosx.Then 'f(x)= ((2sinx+4cosx)(9cosx)-(9sinx)(2cosx-4sinx))/(2sinx+4cosx)^2. The equation of the tangent
1. 0 answers
2. asked by Leslie
3. 946 views
Complete the table of values that can be used to graph f(x)=−4cosx .(2 points) x f(x)=−4cosx 0 π2 π 3π2 2π
1. 1 answer
2. 94 views
Complete the table of values that can be used to graph f(x)=−4cosx.(2 points) x f(x)=−4cosx 0 π2 π 3π2 2π
1. 1 answer
2. 105 views
a. Draw the graphs of y=4cosx and y=2x-x on the same set of axes for -2π<=x<=2π(done) b. Explain why all these solutions of
1. 1 answer
2. asked by anon
3. 473 views
8sinxcosx=1I don't know where to go after 2sinxcosx=1/4
1. 2 answers
2. asked by Lily
3. 1,912 views
Write the equation of the periodic function based on the graph.(1 point) Responses y=−4cosx y equals negative 4 cosine x
1. 1 answer
2. 101 views