Cos (A-B) - cos (A+B)
= (cosAcosB +sinAsinB) - (cosAcosB - sinAsinB)
=2sinAsinB
Ans: 4
Answer:
Yes that would be correct!
Step-by-step explanation:
You need 5a and 34 are needed in the equation and so is the x symbol
Answer:
Yes
Step-by-step explanation:
Answer: He leans towards you whenever you are sitting close to one another.
He rarely turns his back on you.
He smiles a lot and looks at you keenly.
He maintains eye contact with you.
He finds an excuse to touch you whenever he has the chance.
Step-by-step explanation:
Problem 1:
1. distribute the 4 to (x-3)
2. 2x-6+4x-12
3. Combine like terms; 6x-18
Problem 2:
1. Combine the equations; 10w+120+45w+25
2. Combine like terms; 55w+ 145
Problem 3:
1. Distribute the - to the g+11
2. -2g+7-g-11
3. -3g-4
Problem 4:
1. 10L+w
