Hi, there.
____
Coefficients: numbers multiplied by variables
Like Terms: terms with the same variables/exponents
Constant Terms: numbers
Thus
is your desired expression
Hope the answer - and explanation - made sense,
happy studying.
Answer:
sinA = ± 
Step-by-step explanation:
Using the Pythagorean identity
sin²A + cos²A = 1 ( subtract cos²A from both sides )
sin²A = 1 - cos²A ( take the square root of both sides )
sinA = ± 
Answer:
The answer is A
Step-by-step explanation: