Answer:
a = -√3/3
b = 2√3/3
Step-by-step explanation:
x² + y² = 1
This is a unit circle.
A.
The only value for b that makes the equation true is 0.
Answer: A) 1
x = 15°
The secant- tangent angle x is half the difference of the intercepted arcs, that is
x = (80 - 50)° = 0.5 × 30° = 15°