Answer:
kgyutguyguky
Step-by-step explanation:
Answer:
Identity is verified.
Step-by-step explanation:
We have to verify the identity 
To prove any identity we always prove one side(either left hand side or right hand side) of the equation equal to the other side.
In this identity we take the left hand side first

(as we know cos(a+b) = cosa×cosb-sina×sinb)


= - sinx ( Right hand side)
Hence identity is proved.
Answer:

please mark as brainliest
He can't put one in each bag so we will have to go to the decimals 4 divided by 7 which equals to .5714