Commutative property of addition
all real numbers except the 90 and 270 because of cosx
A:C
Step-by-step explanation:
Answer:
A statement asserting the equality of two expressions, usually written as a linear array of symbols that are separated into left and right sides and joined by an equal sign.
Step-by-step explanation:
A statement asserting the equality of two expressions, usually written as a linear array of symbols that are separated into left and right sides and joined by an equal sign.
