Answer:
f(x)^-1=x-2/10
Step-by-step explanation:
cos(2x+x)
=cos (2x)cosx-sin(2x)sinx
=(1-2sin^2x)cosx-2sinxcosx*cos x
=cos x-2 sin ^2 x cos x-2 sin^2 xcos x
=cos x-4sin^2 x cos x
=cos x {1-4(1- cos ^2 x)}
=4 cos ^3x -3 cos x
Answer:
its equal to 12 but the bottom so the answer is 12 cm on the perimeter thingy and the area is 9.
Step-by-step explanation:i dont actually know how to explain but i just knew because i learned that when i was grade 4. im grade 5 now
Games won : Games lost
6 x 25 : 4 x 25
150 : 100
The volleyball team won 150 games.