1. 2cos i -2x + 43 cos4x = 4 cos x-1
2. 4 sin + cos +3= 4cos cos )
3. 2cos2x+3cosx=2cos3x= 4sinx sin 2x
4. 2+ 3(sin 2x-3sin x = cos 2x+3cosx
5. 2cos^x+2/3 sin x cosx+1=3(sin x+ v3 cos x)

Tell me how you got the it use the figures to answer questions 1and 2. in each diagram, line k is parallel to line l, and line t intersects lines. 1. based on the diagrams, what is the value of x? 2. how would you verify your answer for x?

Are triangles the congruent? write the congruency statement.what is the congruency that proves they are congruent? what is the perimeter of ∆pqr?

Simplify. 4+3/7x-2-2/7x a. 2-5/7x b. 6-1/7x c. 2+1/7x d. 6+5/7x