📘 Theory: Trigonometric Equations
We solve
f(x − φ) = k
over 0°–720°:
Find all base-cycle solutions
Shift by φ and apply periodicity (360° for sin/cos)
Equation:
sin(x − φ) = k
cos(x − φ) = k
tan(x − φ) = k
k value:
0.5
Phase φ (degrees):
0
°
Solutions in [0°,720°): --