Answer:
sin(12°)
Step-by-step explanation:
Because sine and cosine are cofunctions, we can use the relation sin(90° - θ) = cosθ to show that cos(78°) = sin(90° - 78°) = sin(12°)
Answer:
4 * (x-9)=-30
not sure if u want it solved but if u do its x=6/4
Step-by-step explanation:
Answer:
6x-12
Step-by-step explanation:
hope this helps
Answer:
2/3
Step-by-step explanation:
Tan(x) = 
=
=
