The pictures confused me, can you explain them please?
Answer:
Step-by-step explanation:
All real numbers because x can assume every possible value
Check the picture below.
let's recall that once we move an angle in the opposite direction of the 0-line or x-axis, we end up with a negative counterpart angle.
since we know that θ is on the IV Quadrant, then its negative counterpart must be across the line, and tangent is negative on the IV Quadrant, and positive on the I Quadrant.
Answer: The answer is A
Step-by-step explanation: 4c+6a<120 and 4c+4a<100