It looks right to me. you followed all the clues.
I think it might be the 3 one and if that's not right then it would be the first one.
Answer:
C. sin(90° - θ)
Step-by-step explanation:
A trig function of an angle equals the cofunction of the angle's complement.
The cofunction of cosine is sine, and the complement of θ is 90° - θ.
∴ cosθ = sin(90° - θ)
C - remember the vertical line test determines if something is a function. A function has 1 x value for 1 y value. A B and D have more than one y value for a given x value.
Answer:
Its A or B
Step-by-step explanation:
relax take a deep breath it is between A or B
just know its not c or d
i had to check my answer .